42nd week of 2021 patent applcation highlights part 41 |
Patent application number | Title | Published |
20210325559 | CAPACITANCE SENSING DEVICE AND IMAGE READING DEVICE - An electrostatic capacitance detection device includes a first electrode, and a second electrode at least a part of which is opposed to the first electrode across a transport path extending in a transport direction in which a detection target having a sheet shape is transported. The first electrode and the second electrode extend in a cross direction intersecting the transport direction and have mutually different shapes. Alternatively, the electrostatic capacitance detection device further includes a first floating electrode disposed on the side of the first electrode opposite to the transport path, and a second floating electrode disposed on the side of the second electrode opposite to the transport path. Alternatively, at least one of the first electrode or the second electrode is provided with a first electric field adjuster or a second electric field adjuster. | 2021-10-21 |
20210325560 | FOOTWEAR SCANNING SYSTEMS AND METHODS - Footwear scanning systems and associated methods are described. According to one aspect, a footwear scanning system includes a base, a shuttle configured to rotate beneath the base, wherein the shuttle comprises an antenna array configured to transmit electromagnetic waves through the base into footwear above the base during the rotation of the shuttle and to receive electromagnetic waves reflected from the footwear during the rotation of the shuttle, a transceiver coupled with the antenna array and configured to apply electrical signals to the antenna array to generate the transmitted electromagnetic waves and to receive electrical signals from the antenna array corresponding to the received electromagnetic waves, and processing circuitry configured to process an output of the transceiver corresponding to the received electromagnetic waves to provide information regarding contents within the footwear. | 2021-10-21 |
20210325561 | SECURITY INSPECTION APPARATUS AND METHOD OF CONTROLLING THE SAME - The application describes a security inspection apparatus and a method of controlling the same. An example security inspection apparatus includes a body fixed in the field and an electromagnetic imaging device installed on the body. The electromagnetic imaging device includes a two-dimensional multi-input multi-output array panel, including at least one two-dimensional multi-input multi-output sub-array and a control circuit. Each two-dimensional multi-input multi-output sub-array includes transmitting antennas and receiving antennas, with the transmitting antennas and the transmitting antennas being arranged such that equivalent phase centers are arranged in a two-dimensional array. The electromagnetic imaging device further includes a signal processing device configured to reconstruct an image of an inspected object based on an echo signal received and a display device configured to display the reconstructed image of the inspected object. | 2021-10-21 |
20210325562 | SYSTEM AND METHOD FOR MONITORING A BALLOONING POTENTIAL OF A WELLBORE - A method for operating a wellbore system for producing hydrocarbons from a wellbore in an underground formation in which a working fluid is circulated through the wellbore during operation. The method includes detecting a loss of the working fluid, allocating the loss to one or more layers of the underground formation, determining a ballooning potential of the wellbore based on the allocated loss and a lithology of the one or more layers of the underground formation, detecting an increase in a return flow of the working fluid from the wellbore, and comparing the increase in the return flow to the ballooning potential of the wellbore to determine whether the increase in the return flow is due to an influx of formation fluid into the wellbore. Remedial action may be taken in response to a determination that the increase in the return flow is due to an influx of formation fluid. | 2021-10-21 |
20210325563 | MULTI-ENERGY STATIC SECURITY CT SYSTEM AND IMAGING METHOD - A multi-energy static security CT system comprises at least one N-stage image chain structure ( | 2021-10-21 |
20210325564 | System and Method for Sensing Seismic Acoustic Signals - A method for forming a sensing system responsive to a wavefield of acoustic or seismic signals. One embodiment includes providing a foil layer having first and second opposing surfaces and piezoelectric properties. The foil layer, configured as a sheet, is positioned about a frame surface which provides the foil layer a stable shape while permitting the sheet configuration of the foil layer to be responsive to a wavefield of seismic or acoustic energy. Coupling between the foil layer and the frame is so limited as to render direct coupling of the foil layer with signals of the wavefield the predominant means for stimulating the sensor element with seismic energy. | 2021-10-21 |
20210325565 | Estimation of Reference Barometric Pressure by Using Dissimilar Pressure References - A method for providing an enhanced estimate of reference barometric pressure. The method uses multiple, dissimilar pressure references, such as in airport weather stations, personal weather stations, and wireless terminals such as smartphones, in order to provide the enhanced estimate of reference barometric pressure. The method generates an enhanced estimate of reference barometric pressure based on a first estimate of reference barometric pressure from a first pressure reference network made up of airport weather stations, for example. The method also uses a second estimate of reference barometric pressure from a second pressure reference network made of up personal weather stations, for example, and a third estimate of reference barometric pressure, also from the second network. The first, second, and third estimates of reference barometric pressure are combined such that both measurement accuracy and timeliness are improved in the resulting, enhanced estimate. | 2021-10-21 |
20210325566 | ADVECTION FOG FORECASTING SYSTEM AND FORECASTING METHOD - An advection fog forecasting system and a method thereof are based on the recognition that wireless signal communication is subject to weather conditions. The system and the method involve collecting radio signals in a forecasting region that is likely to be shrouded in fog. Radio signals influenced by fog can show fog attenuation, and different levels of attenuation can be represented by different values of a radio signal strength indicator RSSI. With the variation curve of the radio signal strength indicator RSSI and weather variables, such as the humidity, the wind speed and the rainfall in the forecasting region, forecasting advection fog can be achieved. | 2021-10-21 |
20210325567 | Improved Precipitation Monitoring Using Point to Point Radio Links - The present disclosure relates to a weather precipitation monitoring system ( | 2021-10-21 |
20210325568 | OPTICAL ARTICLE PROVIDED IN A FORM SUITABLE FOR DIRECT LAMINATION; METHOD FOR MANUFACTURING AN OPTICAL DEVICE - An optical article provided in a form suitable for simultaneous lamination of a pressure sensitive adhesive layer and of a thermoplastic film, the said optical article comprising a convex and a concave optical surface, wherein the convex and/or the concave optical surface is a receiving surface intended to receive the pressure sensitive adhesive on which the thermoplastic film is intended to be arranged and wherein the said receiving surface has an arithmetic average profile roughness greater or equal to 0.01 μm and less or equal to 0.3 μm and/or wherein the said receiving surface has a profile roughness root mean square slope greater or equal to 0.2° and less or equal to 1.2°. A method for manufacturing an optical device using said optical article. | 2021-10-21 |
20210325569 | ANTI-REFLECTIVE FILM, POLARIZING PLATE, AND DISPLAY APPARATUS - The present disclosure relates to an anti-reflective film capable of simultaneously realizing high scratch resistance and antifouling property, and increasing a screen sharpness of a display apparatus, a polarizing plate and a display apparatus including the same. | 2021-10-21 |
20210325570 | Easy To Clean And Anti-Fog Coating With Anti-Reflective Properties - An ophthalmic article having a coating system which provides antireflective, easy clean and anti-fogging properties to the ophthalmic article. The coating system includes alternating layers of low refractive index and high refractive index metal oxides and a sol-gel based hydrophilic top layer formed of one or more silanes, one or more alcohols, DI water and itaconic acid. The coating system provides favorable surface energy and particle size distribution to the ophthalmic article when the sol-gel based top layer is deposited on top surface of the alternating layers of low refractive index and high refractive index metal oxides. | 2021-10-21 |
20210325571 | OPTICAL MEMBER AND METHOD FOR PRODUCING SAME - The present invention provides a lightweight optical member that can be produced at a relatively low cost, wherein distortion due to temperature rise is suppressed, and the appearance color is sufficiently blackened or darkened, and a method for efficiently producing the optical member. The optical member of the present invention comprises: a base member made of titanium or a titanium alloy, and a carbon-doped titanium oxide layer formed on the surface of the base member. The carbon content in the carbon-doped titanium oxide layer is preferably 0.1 to 15 at %. | 2021-10-21 |
20210325572 | Optical Laminate and Flexible Display Panel Including the Same - The present invention relates to an optical laminate and a flexible display panel including the same, and more particularly, to an optical laminate including a self-restoration barrier adhesive layer and a flexible display panel including the same. | 2021-10-21 |
20210325573 | Direct Projection Light Field Display - A direct projection light field display comprising an array of projectors for direct projection of a light field. The overall design and incorporation of additional optics achieve the optimal light distribution and small pixel size to produce a high definition, 3D display. The architecture of the direct projection light field display has low a brightness requirement for each projector, resulting in an increased projector density, decreased system, and a decreased power requirement, while producing a high-definition light field. | 2021-10-21 |
20210325574 | LIGHT DIFFUSER PLATE, IMAGE DISPLAY DEVICE, AND LIGHTING DEVICE - To provide a light diffuser plate that can control an anisotropic shape of diffused light. The light diffuser plate includes a base material, and a group structure including a plurality of convexities or concavities provided on at least one main surface of the base material and having anisotropic shapes extended in a common direction. The plurality of convexities or concavities are arranged randomly and densely on the main surface of the base material. A boundary between adjacent ones of the plurality of convexities or concavities includes a plurality of curved lines having curvatures different from each other. | 2021-10-21 |
20210325575 | ORIENTATION INDEPENDENT COMA COMPENSATING LIQUID LENS - The present invention relates to a lens ( | 2021-10-21 |
20210325576 | OPTICAL SYSTEM AND PROCESS FOR MANUFACTURING SAME - A method of manufacturing an optical system including a layer having through or partially through holes and covered with an array of micrometer-range optical elements, the optical system including a surface intended to receive a first radiation, the method including exposing a film, made of the same material as the layer or of a material different from that of the layer, to a second radiation through the array of micrometer-range optical elements, the material being photosensitive to the second radiation or machinable by the second radiation, and removing the portions of the film exposed or non-exposed to the second radiation to delimit the holes totally or partially crossing said layer. | 2021-10-21 |
20210325577 | TUNABLE PLASMONIC COLOR DEVICE AND METHOD OF MAKING THE SAME - A plasmonic system is disclosed. The system includes at least one polarizer that is configured to provide at least one linearly polarized broadband light beam, an anisotropic plasmonic metasurface (APM) assembly having a plurality of nanoantennae each having a predetermined orientation with respect to a global axis representing encoded digital data, the APM assembly configured to receive the at least one linearly polarized broadband light beam and by applying localized surface plasmon resonance reflect light with selectable wavelengths associated with the predetermined orientations of the nanoantennae, and at least one analyzer that is configured to receive the reflected light with selectable wavelength, wherein the relative angles between each of the at least one analyzers and each of the at least one polarizers are selectable with respect to the global axis, thereby allowing decoding of the digital data. | 2021-10-21 |
20210325578 | Optical Device and Prism Module Thereof - An optical device includes an objective module, a prism module and an ocular module. The prism module includes a first prism, a second prism, a third prism and a first coating. The prism module is disposed between the objective module and the ocular module. A first light beam emitted by an object sequentially passes through the objective module, the prism module and the ocular module. Central axes of the objective module and the ocular module are in parallel without overlapping. | 2021-10-21 |
20210325579 | NON-COLOR SHIFTING MULTILAYER STRUCTURES - A multilayer thin film that reflects an omnidirectional structural color including a multilayer stack. The multilayer stack includes a reflector layer; a selective absorber layer extending over the reflector layer; an absorbing layer extending over the first layer; and a dielectric layer extending over the second layer. The multilayer thin film reflects a single narrow band of visible light when exposed to broadband electromagnetic radiation, the single narrow band of visible light having a center wavelength greater than 550 nm, and a visible full width at half maximum (FWHM) width of less than 200 nm. A color shift of the reflected single narrow band of visible light is less than 50 nm when the multilayer stack is exposed to broadband electromagnetic radiation and viewed from angles between 0 and 45 degrees relative to a direction normal to an outer surface of the multilayer thin film. | 2021-10-21 |
20210325580 | INTERACTIVE OBJECT SYSTEMS AND METHODS - An interactive object system includes an interactive object and a source of electromagnetic radiation, e.g., an external source. A power harvesting device of the interactive object receives and harvests power from the electromagnetic radiation to power a special effect system of the interactive object. In an embodiment, the interactive object includes a retroreflective material that reflects electromagnetic radiation, which may be of a same or different wavelength as the electromagnetic radiation from which power is harvested. The interactive object system detects the reflected electromagnetic radiation, which may be used to trigger one or more additional actions related to the interactive object. | 2021-10-21 |
20210325581 | METHOD AND APPARATUS FOR PREPARING FEMTOSECOND OPTICAL FILAMENT INTERFERENCE DIRECT WRITING VOLUME GRATING/CHIRPED VOLUME GRATING - The present disclosure discloses a method and apparatus for preparing a femtosecond optical filament interference direct writing volume grating/chirped volume grating. The method is characterized in that optical filaments are formed in glass by using femtosecond pulse laser, and plasma is controlled to quickly scan in the glass and etch a volume grating or chirped volume grating structure by adjusting the focal length of convex lens, laser energy and movement of motor machine. The apparatus includes a femtosecond pulse laser module, a pulse chirp management module, a pulse time domain shaping module, a laser separation and interference module, a glass volume grating processing platform module and a camera online imaging module. | 2021-10-21 |
20210325582 | MANUFACTURING METHOD OF COLOR FILM SUBSTRATE AND COLOR FILM SUBSTRATE - The present invention provides a manufacturing method of a color film substrate and the color film substrate. The manufacturing method includes providing a substrate; forming a first photoresist layer on a first sub-pixel region; forming a quantum dot layer on the substrate, wherein light emission colors of at least two types of quantum dots are respectively different from a light emission color of the first photoresist layer; forming a second photoresist layer and a third photoresist layer on the quantum dot layer in order; and quenching the quantum dot layer to invalidate unshielded quantum dots of the quantum dot layer. | 2021-10-21 |
20210325583 | SILICON-GERMANIUM BASED OPTICAL FILTER - An optical filter may include a substrate. An optical filter may include a set of optical filter layers disposed onto the substrate. The set of optical filter layers including a first subset of optical filter layers. The first subset of optical filter layers may include a silicon-germanium (SiGe) with a first refractive index. An optical filter may include a second subset of optical filter layers. The second subset of optical filter layers may include a material with a second refractive index. The second refractive index being less than the first refractive index. | 2021-10-21 |
20210325584 | REFRACTIVE SURFACE FOR BLOCKING SHORT- AND MEDIUM- WAVELENGTH VISIBLE-SPECTRUM RADIATION THAT AFFECTS HUMAN PHYSIOLOGY - The invention relates to a refractive surface for blocking short- and medium-wavelength visible-spectrum radiation that affects human physiology. The refractive surface selectively absorbs short wavelengths between 380 nm and 500 nm, between a maximum and a minimum absorption threshold, and selectively absorbs medium wavelengths between 500 nm and 590 nm, between a maximum and a minimum absorption threshold, the selective absorption of short and medium wavelengths between 380 nm and 590 nm not completely blocking the passage of visible light in this range. Other embodiments include an LED screen, a software product and an electronic device, and ophthalmic, intraocular or sunglass lenses. | 2021-10-21 |
20210325585 | PATTERNED WAVELENGTH-SELECTIVE FILM - The disclosed patterned wavelength-selective material and process for making the patterned wavelength-selective material uses selectively located barriers to the adhesive regions. A structurally weak wavelength-selective material includes portions that contact the adhesive regions and break to remain in contact with the adhesive. The wavelength-selective material does not contact the adhesive regions covered by the barrier and is removed leaving a wavelength-selective film in a pattern at the adhesive regions. | 2021-10-21 |
20210325586 | TELESCOPES AND IMAGERS INCLUDING TILTABLY MOUNTED NARROWBAND INTERFERENCE FILTERS - One aspect of the invention provides a telescope including: at least one lens or mirror arranged to receive collimated light defining an optical axis at a first end and form an image at a last end; and a narrowband interference filter positioned along the optical axis prior to the first end. The narrowband interference filter is tiltably mounted with respect to the optical axis. Another aspect of the invention provides an imager including: an optical collimator; a plurality of lenses or mirrors arranged relative to the optical collimator to receive collimated light from the optical collimator defining an optical axis at a first end and form an image at a second end; and a narrowband interference filter positioned along the optical axis between the optical collimator and the first end. The narrowband interference filter is tiltably mounted with respect to the optical axis. | 2021-10-21 |
20210325587 | MULTILAYER REFLECTIVE POLARIZER WITH CRYSTALLINE LOW INDEX LAYERS - Multilayer reflective polarizers are described. In particular, multilayer reflective polarizers that include both crystalline high index layers and low index layers are disclosed. These reflective polarizers may be particularly suitable for automotive, architectural, and industrial applications. | 2021-10-21 |
20210325588 | OPTICAL DEVICE INCLUDING OPTICALLY ANISOTROPIC MOLECULES HAVING INTERMEDIATE PRETILT ANGLES - An optical element is provided. The optical element includes an optical film including a birefringent material having a chirality. Optically anisotropic molecules of the birefringent material disposed adjacent a first surface of the optical film are configured with a first pretilt angle in a range of greater than 10° and less than 80°, or in a range of greater than −80° and less than −10°. Optically anisotropic molecules of the birefringent material disposed adjacent a second surface of the optical film opposing the first surface are configured with a second pretilt angle in the range of greater than 10° and less than 80°, or in the range of greater than −80° and less than −10°. | 2021-10-21 |
20210325589 | Polarizer Nanoimprint Lithography - A method of making a polarizer can include applying a liquid with solid inorganic nanoparticles dispersed throughout a continuous phase, then forming this into a different phase including a solid, interconnecting network of the inorganic nanoparticles. This method can improve manufacturability and reducing manufacturing cost. This method can be used to provide an antireflective coating, to provide a protective coating on polarization structures, to provide thin films for optical properties, or to form the polarization structures themselves. | 2021-10-21 |
20210325590 | CIRCULAR POLARIZING PLATE - Provided is a circularly polarizing plate capable of improving a reflection color by using a retardation film with flat dispersion characteristics, and an OLED device comprising the circularly polarizing plate. | 2021-10-21 |
20210325591 | Metamaterial Optical Filter and Methods for Producing the Same - A metamaterial optical filter including: a transparent substrate; and a photosensitive polymer layer provided to the transparent substrate, wherein the photosensitive polymer layer is treated using a laser to form a non-conformal holographically patterned subwavelength grating, the holographic grating configured to block a predetermined wavelength of electromagnetic radiation. A system and method for manufacturing holographically patterned subwavelength grating onto the photosensitive polymer layer including: applying a photosensitive polymer layer to a transparent substrate; placing the photosensitive polymer layer between a laser and a mirror; scanning the laser over the photosensitive polymer layer such that a holographic grating is created within the photosensitive polymer layer by interaction between the laser light and light reflected from the mirror; and stacking two or more holographically patterned subwavelength grating layers to form complex metamaterial optical filter stacks. | 2021-10-21 |
20210325592 | Skew Mirrors, Methods of Use, and Methods Of Manufacture - An optical reflective device referred to as a skew mirror, having a reflective axis that need not be constrained to surface normal, is described. Examples of skew mirrors are configured to reflect light about a constant reflective axis across a relatively wide range of wavelengths. In some examples, a skew mirror has a constant reflective axis across a relatively wide range of angles of incidence. Exemplary methods for making and using skew minors are also disclosed. Skew mirrors include a grating structure, which in some examples comprises a hologram. | 2021-10-21 |
20210325593 | UNITARY LIGHTGUIDE - A unitary lightguide including a first lightguide section extending along a first direction and a second lightguide section extending along a second direction is described. The second lightguide section includes a plurality of light extractors for extracting light that would otherwise propagate within and along the second lightguide section. The unitary lightguide includes a boundary region disposed between and joining the first and second lightguide sections and including a plurality of spaced apart light redirecting features. Each light redirecting feature includes a first portion extending substantially parallel to the first direction, and a second portion extending from proximate the first end of the first portion toward the second lightguide section and making an angle with the first portion in a range from about 10 degrees to about 70 degrees. | 2021-10-21 |
20210325594 | BACKLIGHT MODULE, METHOD FOR MANUFACTURING THE SAME, AND LIQUID CRYSTAL DISPLAY DEVICE - A backlight module, a method for manufacturing the same, and a liquid crystal display device, which realize a thin uniform backlight for liquid crystal display. The backlight module includes: a light guide plate including a light exit surface and a bottom surface opposite to the light exit surface; the bottom surface including an array of inverted pyramid grooves; and a plurality of point light sources located on a side of the light exit surface away from the bottom surface; wherein a light emitting surface of each point light source faces the light exit surface. | 2021-10-21 |
20210325595 | APERTURED LIGHT GUIDES FOR LUMINAIRES - A light guide is provided. The light guide includes a planar body with a first light receiving surface, a light transmission region in optical communication with the first light receiving surface, and an aperture having an inner circumferential wall defining a light emission region, the inner circumferential wall having a plurality of vertically extending flutes. Substantially all light received at the light receiving surface internally reflects through the transmission region before extraction at the emission region. A luminaire is also provided. The luminaire includes a housing, a light guide as described herein, and a plurality of point light sources in optical communication with the light receiving surface of the light guide. | 2021-10-21 |
20210325596 | SIDE-EDGE TYPE SURFACE LIGHT EMITTING APPARATUS HAVING MULTIPLE GRADUALLY-SLOPED PEAK-SHAPED PRISMS - In a side-edge type surface light emitting apparatus including a light guide plate having a light emitting surface and a light distribution controlling surface opposing each other, and a light incident surface and a counter light incident surface opposing each other on sides of the light emitting surface and the light distribution controlling surface; a light source disposed on the light incident surface; and a prism sheet having multiple peak-shaped prisms protruded toward the light emitting surface and in parallel with the light incident surface, each of the peak-shaped prisms has a definite apical shape and a definite apical height, and the peak-shaped prisms have a definite pitch. The peak-shaped prisms have sloped angles gradually changed from the light incident surface to the counter light incident surface. | 2021-10-21 |
20210325597 | BACKLIGHT MODULE - A backlight module includes a light guide plate, a light source, a prism sheet, and a reflective film. The light source is disposed on a light-incident surface of the light guide plate. The prism sheet is disposed on a light exit surface of the light guide plate, and includes a plurality of first prism structures that protrude toward the light exit surface of the light guide plate. The reflective film is disposed on a reflection surface of the light guide plate, and includes a film body, a plurality of second prism structures that are disposed on the film body and that protrude from the film body toward the reflection surface, and a light absorbing layer that is disposed on the film body opposite to the second prism structures. | 2021-10-21 |
20210325598 | LIGHT SOURCE, BACKLIGHT MODULE AND MANUFACTURING METHOD THEREOF, AND DISPLAY DEVICE - The present disclosure provides a light source, a backlight module and a manufacturing method thereof and a display device. The light source includes a light-emitting element and a circuit board supplying power for the light-emitting element, the circuit board includes a first bottom plate and a first side plate, the first bottom plate and the first side plate are connected to form a bent shape, and the light-emitting element is arranged on the first side plate and located on an identical side of the first side plate with the first bottom plate. | 2021-10-21 |
20210325599 | MULTIMODE OPTICAL FIBER WITH INCREASED BANDWIDTH - A multimode optical fiber having a core region. The core region includes silica, has an outer radius r | 2021-10-21 |
20210325600 | ULTRA-HIGH RESOLUTION SCANNING FIBER DISPLAY - One embodiment is directed to a compact system for scanning electromagnetic imaging radiation, comprising a first waveguide and a second waveguide, each of which is operatively coupled to at least one electromagnetic radiation source and configured such that output from the first and second waveguides is luminance modulated and scanned along one or more axes to form at least a portion of an image. | 2021-10-21 |
20210325601 | HOMOGENEOUS INTEGRATED INFRARED PHOTONIC CHIP AND METHOD FOR MANUFACTURING SAME - A homogeneous integrated infrared photonic chip and a method for manufacturing the same are provided. The homogeneous integrated infrared photonic chip includes a substrate layer, and a device structure and a waveguide structure that are both positioned on a surface of the substrate layer; wherein the device structure includes a lower contact layer, a quantum well layer, and an upper contact layer that are sequentially stacked along a direction perpendicular to the substrate layer, and the substrate layer, the lower contact layer, the quantum well layer, and the upper contact layer are made of a III-V material; and wherein the waveguide structure includes a waveguide layer made of the III-V material, the waveguide layer and the lower contact layer being arranged in the same layer. | 2021-10-21 |
20210325602 | INTEGRATED BIPLANE OPTICAL SENSING CORE CHIP - An integrated biplane optical sensing core chip has a non-linear optical substrate, a first waveguide structure, a second waveguide structure and a waveguide coupled fiber. The non-linear optical substrate, the first waveguide structure and the second waveguide structure are made of the same nonlinear optical material. The first waveguide structure is connected to the second waveguide structure via a waveguide coupled fiber is outside and independent to the non-linear optical substrate. Therefore, the first waveguide structure and the second waveguide structure can overlap in the vertical direction, and can be set close to each other in the horizontal and vertical directions, so the integrated biplane optical sensing core chip can be miniaturized and can meet reciprocity. The integrated biplane optical sensing core chip is suitable for an optical fiber sensor, and the optical fiber sensor can be a fiber-optic gyroscope or a fiber-optic current sensor. | 2021-10-21 |
20210325603 | STACKED-WAVEGUIDE POLARIZERS WITH CONDUCTIVE OXIDE STRIPS - Structures for a polarizer and methods of forming a structure for a polarizer. A polarizer includes a first waveguide core and a layer that is positioned adjacent to a side surface of the first waveguide core. The layer is composed of a first material having a permittivity with an imaginary part that ranges from 0 to about 15. A second waveguide core is positioned over the first waveguide core. The second waveguide core is composed of a second material that is different in composition from the first material. | 2021-10-21 |
20210325604 | Passive Compensation of Non-uniform Channel Characteristics of Spectrally Selective Device Arrays in Multiwavelength Photonic Integrated Circuits - Aspects of the present disclosure are directed to wavelength division multiplexing systems comprising arrays of spectrally selective devices that are arranged on a substrate to compensate for perturbations of the spectral characteristics of the devices due to factors such as temperature non-uniformity, inherent spectral non-uniformity, and the like. As a result, shifts in the center wavelengths and/or changes in the wavelength spacing for the wavelength channels of a WDM system due to such perturbations are mitigated. In some embodiments, an array of spectrally selective devices is arranged on a substrate such that their respective wavelength channels are not linearly correlated with their physical position within the array, enabling the devices to be arranged in pairs that are subject to substantially the same environmental conditions and/or operate on nearly the same spectral range. | 2021-10-21 |
20210325605 | EXPANDED PHOTONIC BELL STATE GENERATORS - An expanded Bell state generator can generate a Bell state on four output modes of a set of m output modes, where m is greater than four. Some expanded Bell state generators can receive inputs on any four of a set of 2m input modes. Subsets of the m output modes can be multiplexed to reduce the number of modes to four. According to some embodiments, a set of 2×2 muxes can be used to rearrange the output modes prior to reducing the number of modes. | 2021-10-21 |
20210325606 | COLORLESS SPLITTER BASED ON SOI PLATFORM - An optical splitter includes a silicon-on-insulator substrate having a cladding layer. The optical splitter also includes a first waveguide of a first width and a first length buried in the cladding layer and a second waveguide of a second width and a second length buried in the cladding layer disposed in close proximity of the first waveguide by a gap distance. A ratio of the second width over the first width is configured to be smaller than 1 while the first length, the second length, and the gap distance are configured to allow evanescent coupling of a first confined mode of an optical signal in the first waveguide into the second waveguide with a certain splitting ratio being achieved in a range of 1% to <50% substantially unchanged over a broadband of wavelengths. | 2021-10-21 |
20210325607 | OPTICAL WAVEGUIDE DEVICE - An optical waveguide device that is implemented between a slot waveguide and a rectangular waveguide includes: a tapered portion and a separation portion. The tapered portion includes first and second cores that are respectively coupled to cores of the slot waveguide and formed in parallel each other. The separation portion includes third and fourth cores that are respectively coupled to the first and second cores. Cross-sectional areas of the first and second cores are substantially equal each other at an input end. The cross-sectional area of the first core is larger than that of the second core at an output end. A shape of a cross section of the first core changes continuously between the input end and the output end in the tapered portion. A spacing between the third core and the fourth core is continuously extended in the separation portion. | 2021-10-21 |
20210325608 | MULTI-MODE WAVEGUIDE SYSTEM AND CONNECTOR FOR PHOTONIC INTEGRATED CIRCUIT - Example implementations described herein are directed to a system involving one or more photonic integrated circuits having multi-mode waveguides and connected to a printed optical board through the use of multi-mode waveguide connectors described herein. The printed optical board can include an embedded multi-mode waveguide bus to facilitate optical signal to and from the photonic integrated circuits. The system can also include a chiplet such as a photonic integrated circuit with a single mode waveguide configured to connect to an optical fiber cable. | 2021-10-21 |
20210325609 | SILICON GRATING WITH AMORPHOUS SILICON PERTURBATION - A waveguide grating. The waveguide grating includes a rib composed of a first material. A first portion of the waveguide has a first layer on the rib, the first layer being composed of a second material; and a second layer on the first layer, the second layer being composed of a third material, the third material having a higher index of refraction than the first material. | 2021-10-21 |
20210325610 | PROVIDING SPATIAL DISPLACEMENT OF TRANSMIT AND RECEIVE MODES IN LIDAR SYSTEM - A light detection and ranging (LIDAR) system includes a laser, a transceiver, and one or more optics. The laser source is configured to generate a beam. The transceiver is configured to transmit the beam as a transmit signal through a transmission waveguide and to receive a return signal reflected by an object through a receiving waveguide. The one or more optics are external to the transceiver and configured to optically change a distance between the transmit signal and the return signal by displacing one of the transmit signal or the return signal. | 2021-10-21 |
20210325611 | CAPILLARY-TYPE LENS ARRAY AND CAPILLARY-TYPE LENS ARRAY COMPOSITE COMPONENT - A capillary-type lens array having an inorganic glass around a graded index lens, in which a plurality of the graded index lenses and the inorganic glass are physically fused. | 2021-10-21 |
20210325612 | Glass Fiber Hole Plates For 2D Fiber Collimators And Methods For Alignment And Fabrication For Optical Switching Applications - An optical circuit switch including a two-dimensional fiber collimator includes a hole plate to hold and align a plurality of optical fibers. Fiber pathways within the hole plate can be formed using a femtosecond laser irradiation chemical etching (FLICE) technique. The use of the FLICE technique allows for extremely precise channels to be formed which allows for fibers to be aligned more closely with their intended alignment. The technique also allows for the channels or fiber pathways to be formed in a thicker material, which allows for greater structural support and robustness of the fiber collimator in use. | 2021-10-21 |
20210325613 | Dust Plug for Adapter Pre-populated with MPO Housing - A dust plug for use in a pre-populated adapters has a main body having a top wall, a bottom wall, and two opposing side walls extending between the top wall and bottom wall. The dust plug also includes at least one pair of latches in a front portion of the main body and each of the at least one pair of latches may have an increased thickness at a forward end thereof. The area of increased thickness is sized to engage a receptacle in an inner surface of the housing when the dust plug is attached to the housing. Other versions contemplate not having the increased thickness. The dust plug preferably includes a grip at the back end. | 2021-10-21 |
20210325614 | INTERCONNECT SYSTEM AND METHODS OF INSTALLING THE SAME - An interconnect system is provided that involves pre-installing a connector housing an optical connector in an adapter and a ferrule of the same optical connector on a cable. The ferrule terminates one or more groups of optical fibers, and a ferrule push component is also pre-installed on the same group(s) of optical fibers. The connector housing is configured to receive and retain the ferrule and ferrule push component without being removed from the adapter to simultaneously form the optical connector and install the optical connector in the adapter. Embodiments such an interconnect system involving high fiber-count cables and related installation methods involving many optical connections are disclosed. | 2021-10-21 |
20210325615 | PLUGGABLE TRANSCEIVER RETAINER - In an example, an optoelectronic module may include a housing enclosing at least one optical transmitter or receiver and a slider configured to move with respect to the housing. The slider may include at least one protrusion configured to engage a cage sized and shaped to receive the housing. The optoelectronic module may include a bail rotatably coupled to the housing, and the bail may be configured to actuate the slider when the bail is rotated. The optoelectronic module may include a retainer configured to engage with the housing and the bail to retain the bail in a fixed position with respect to the housing. | 2021-10-21 |
20210325616 | PLUGGABLE OPTICAL MODULE CAGE FOR FIXED HEAT SINK - An electronic module cage for receiving an electronic module (such as a pluggable optical module (POM)), includes a cage body mounted to a printed circuit board (PCB), the cage body having a first opening configured to receive an electronic module, the cage body comprising a spring feature, the spring feature configured to apply a biasing pressure to the electronic module in a direction away from the printed circuit board and toward a heat dissipating element such that a surface of the electronic module contacts the heat dissipating element through a second opening in the cage body. | 2021-10-21 |
20210325617 | OPTICAL MODULE - An optical module has an optical port and an electrical port, and includes a shell, a circuit board, a circuit adapter board, a silicon optical chip, a light source and an optical fiber socket. The circuit board is disposed in the shell. One end of the circuit board is provided with a connecting finger located in the electrical port. The circuit adapter board is disposed on and electrically connected to the circuit board. A thermal expansion coefficient of the circuit adapter board is lower than that of the circuit board. The silicon optical chip is disposed on and electrically connected to the circuit adapter board. The light source is disposed on the circuit board, is electrically connected to the circuit board, and is optically connected to the silicon optical chip. The optical fiber socket is optically connected to the silicon optical chip, and is configured to form the optical port. | 2021-10-21 |
20210325618 | GLASS-as-a-PLATFORM (GaaP)-BASED PHOTONIC ASSEMBLIES COMPRISING SHAPED GLASS PLATES - Glass-as-a-Platform (GaaP) assemblies are provided. Embodiments of the GaaP assembly comprise a first glass plate and a second glass plate, each disposed under one or more switch ASICs and one or more opto-electronic devices co-packaged on the same substrate. Each glass plate includes a plurality of waveguides. The co-packaged substrate is disposed on top of one or more of the first glass plate and second glass plate, the first glass plate configured to couple to one or more opto-electronic devices and the second glass plate configured to couple to one or more other opto-electronic devices. A faceplate interface end of each glass plate is configured to connect to one or more optical cable connectors. The glass plates are configured to route optical signals to and from one or more opto-electronic devices and one or more optical cable connectors through the one or more waveguides and openings in the co-packaged substrate. | 2021-10-21 |
20210325619 | PLUGGABLE TRANSCEIVER RETAINER - An optoelectronic module may include a housing enclosing at least one optical transmitter or receiver, a release mechanism configured to engage with a cage sized and shaped to receive the housing, and a retainer including at least one occlusion member sized and shaped to be positioned inside a port of the optoelectronic module and a sleeve member configured to slide with respect to the occlusion member. | 2021-10-21 |
20210325620 | OPTICAL FIBER CABLE AND CABLE CORE PRODUCTION METHOD - A jacket is provided to the outer circumference of a cable core, a rip cord, and a tension member. The cable core, the rip cord, and the tension member are collectively covered by the jacket. A wrapping tape is longitudinally placed on the outer circumference of a core part so as to be wound therearound. Thus, immediately after the wrapping tape is longitudinally placed and wound, a wrap part thereof is formed so as to lie substantially straight in the axial direction of an optical fiber cable. In contrast, in an optical fiber cable, the cable core is obtained by combining and intertwining the core part and the wrapping tape. Because of this configuration, the wrap part of the wrapping tape is helically disposed in the longitudinal direction. | 2021-10-21 |
20210325621 | SEALED ENCLOSURE WITH OUTPUT PORTS - Certain types of aggregation enclosures include cable input ports and downwardly angled cable output ports. A cover is pivotally coupled to the body so that the cover moves between an open position and a closed position. A modular component panel may be disposed within the enclosure. The component panel includes one or more distribution components (e.g., fiber distribution components or power distribution components) configured to connect at least a portion of an incoming cable to at least a portion of an outgoing cable. | 2021-10-21 |
20210325622 | OPTICAL SIGNAL PROCESSING DEVICE - An optical signal processing device includes a case, two sets of first external signal transmission modules, two sets of first internal signal transmission modules, a first optical signal processor, and a plurality of first tubes. Each of the first external signal transmission modules includes a first external signal input channel and a first external signal output channel. Each of the first internal signal transmission modules includes a first internal signal input channel and a first internal signal output channel. The first optical signal processor includes a first inlet connector, a first outlet connector, four first bare optical fibers and four second bare optical fibers. The first bare optical fibers and the second bare optical fibers are sleeved via the first tubes. The design for the first tube can improve the impact resistance and bending degree of the optical fiber. | 2021-10-21 |
20210325623 | FIBER OPTIC CABLE BREAKOUT ASSEMBLY - A fiber optic cable breakout assembly includes: a fiber optic cable including a plurality of first optical fibers and a first jacket surrounding the optical fibers; a breakout canister; a plurality of pigtail cords, each of the pigtail cords including a second optical fiber partially encased in a second jacket and an optical connector, each of the pigtail cords extending away from the canister, each of the optical fibers extending through the canister; and a flexible furcation tube attached to and extending between the fiber optic cable and the breakout canister, the furcation tube including an armored inner layer and a polymeric outer layer, wherein each of the first optical fibers is spliced to a respective second optical fiber within the inner layer of the furcation tube. | 2021-10-21 |
20210325624 | OPTICAL FIBER HAVING IDENTIFICATION MARK AND MANUFACTURING METHOD FOR OPTICAL FIBER HAVING IDENTIFICATION MARK - Provided is an optical fiber having identification mark, which includes an optical transmission medium (exemplified by glass fiber) including a core part and a cladding part, a primary resin layer coating the optical transmission medium, and a secondary resin layer coating the primary resin layer, in which identification marks for optical fiber identification (exemplified by continuous identification mark) are provided on a surface of the secondary resin layer at a predetermined interval along an axial direction of the optical transmission medium. An effective area of the optical transmission medium at a wavelength of 1550 nm is 90 μm | 2021-10-21 |
20210325625 | Lens Mounting Structures for Head-Mounted Devices - A head-mounted device may have optical modules that present images to the user's left and right eyes. The optical modules may move with respect to each other to accommodate different user interpupillary distances. Each optical module may have a lens barrel, a display coupled to the lens barrel that generates an image, and a lens mounted to the lens barrel through which the image is viewable from an eye box. The lens may be a multi-element lens formed from molded lens elements such as molded polymer lens elements. A lens element may be provided with protrusions that form lens tabs. The lens tabs may have coplanar lens tab surfaces that mate with corresponding coplanar mounting surfaces in the lens barrel. Alignment marks may be formed on the protrusions and/or other portions of the lens. | 2021-10-21 |
20210325626 | OPTICAL LENS AND ELECTRONIC DEVICE - An optical lens includes a first lens and a second lens facing the first lens. The first lens includes a first flange structure. The first flange structure includes a first surface facing the second lens. The first surface includes a first positioning portion. The second lens includes a second flange structure. The second flange structure includes a second surface facing the first lens. The second surface includes a second positioning portion. The first positioning portion engages with the second positioning portion. | 2021-10-21 |
20210325627 | LENS MODULE AND ELECTRONIC DEVICE HAVING THE SAME - A lens module includes a lens holder, a filter, and a metal support. The lens holder includes a groove and sidewalls surrounding to form the groove. The metal support includes a support plate, heat dissipation plates, and heat transfer plates. At least one first mounting hole is formed on the sidewalls. The support plate comprises a support portion and a connecting portion connecting to each other. The connecting portion connects the support portion and each of the heat transfer plates. An opening is formed on the support portion and passes through the support portion. The filter is located on the support portion and covers the opening. The heat transfer plates are installed in the at least one first mounting hole. The support plate is received in the groove. The heat dissipation plates are located outside the lens holder. The disclosure also provides an electronic device having the lens module. | 2021-10-21 |
20210325628 | LENS DRIVING DEVICE AND CAMERA DEVICE - The present embodiment relates to a lens driving device comprising: a housing; a bobbin; a first coil; a magnet; a base; a first substrate; a second substrate; and a conductive member, wherein the first substrate comprises a first groove and a first terminal which is adjacent to the first groove, the second substrate comprises a second terminal, the conductive member connects the first terminal of the first substrate to the second terminal of the second substrate, a body unit of the first substrate comprises a first side surface, a second side surface, a third side surface, and a fourth side surface, an extension portion of the first substrate is formed at the third side surface and the fourth side surface, the first terminal of the first substrate comprises four terminals, two of which are adjacent to the first side surface and the other two of which are adjacent to the second side surface. | 2021-10-21 |
20210325629 | LENS DRIVING DEVICE, CAMERA MODULE, AND OPTICAL DEVICE - The present embodiment relates to a lens driving device comprising: a housing; a bobbin disposed inside the housing; a coil disposed at the bobbin; a magnet disposed in the housing and facing the coil; an elastic member coupled to the housing and the bobbin; and a damper disposed at the elastic member, wherein the elastic member comprises an outer part coupled to the housing, an inner part coupled to the bobbin, and a connection part for connecting the outer part and the inner part; and the damper is disposed at the connection part. | 2021-10-21 |
20210325630 | CAMERA ASSEMBLY AND USER EQUIPMENT - A camera assembly and a mobile terminal comprise an optical image stabilization motor with relatively large electromagnetic radiation, for example, a SMA motor. The SMA motor could be disposed on a lighting side of the lens assembly. Because an image sensor is located on an imaging side of the lens assembly, this can achieve a relatively long physical distance between the SMA motor and the image sensor, thereby reducing electromagnetic interference caused by the SMA motor to the image sensor. | 2021-10-21 |
20210325631 | Electronic Devices With Covering Structures - Electronic devices such as head-mounted electronic devices may include displays for presenting images to users. To accommodate variations in the interpupillary distances associated with different users, a head-mounted device may have left-eye and right-eye optical modules that move with respect to each other. To hide internal structures from view, the rear of a head-mounted device may be provided with a cover. The cover may have a stretchable layer that is coupled to a frame. Openings in the stretchable layer may be aligned with the optical modules. | 2021-10-21 |
20210325632 | MIRROR-BASED ASSEMBLIES, INCLUDING LATERAL TRANSFER HOLLOW RETROREFLECTORS, AND THEIR MOUNTING STRUCTURES AND MOUNTING METHODS - An improved mirror-based assembly is provided. The mirror-based assembly has at least one mirror panel, at least one support member, and at least three connection regions between the at least one support member and the at least one mirror panel, comprising at least a first connection region comprising a miter joint connection region, at least a second connection region comprising a non-miter joint connection region, and at least a third connection region, wherein the at least one mirror panel is connected to the at least one support member to minimize thermal expansion or contraction of the at least one mirror panel and a method for assembling the same. | 2021-10-21 |
20210325633 | IMAGING LENS AND IMAGING DEVICE - An imaging lens is configured by, in order from an object side, an object side group including at least one lens group and having positive refractive power as a whole and an image side group configured by one lens group and having negative refractive power. Focusing is performed by moving the object side group in an optical axis direction, and a predetermined conditional expression is satisfied. The image side group includes a subgroup satisfying a predetermined conditional expression. Further, an imaging device includes the optical system and an image sensor. | 2021-10-21 |
20210325634 | LENS UNIT AND IMAGE OBSERVING DEVICE - A lens unit includes a first lens and a second lens. The first lens is a Fresnel lens that has a first lens surface having a Fresnel structure on the second lens side, and has a positive refractive power. The second lens is a Fresnel lens that has a second lens surface having a Fresnel structure on the first lens side, and has a positive refractive power. | 2021-10-21 |
20210325635 | Optical Image Capturing System - A four-piece optical image capturing system is disclosed. In order from an object side to an image side, the optical image capturing system along the optical axis includes a first lens with positive refractive power; a second lens with refractive power; a third lens with refractive power; and a fourth lens with refractive power; and at least one of the image-side surface and object-side surface of each of the four lenses are aspheric. The optical image capturing system can increase aperture value and improve the imagining quality for use in compact cameras. | 2021-10-21 |
20210325636 | Optical Image Capturing System - A four-piece optical image capturing system is disclosed. In order from an object side to an image side, the optical image capturing system along the optical axis includes a first lens with positive refractive power; a second lens with refractive power; a third lens with refractive power; and a fourth lens with refractive power; and at least one of the image-side surface and object-side surface of each of the four lenses are aspheric. The optical image capturing system can increase aperture value and improve the imagining quality for use in compact cameras. | 2021-10-21 |
20210325637 | Optical Image Capturing System - A four-piece optical image capturing system is disclosed. In order from an object side to an image side, the optical image capturing system along the optical axis includes a first lens with positive refractive power; a second lens with refractive power; a third lens with refractive power; and a fourth lens with refractive power; and at least one of the image-side surface and object-side surface of each of the four lenses are aspheric. The optical image capturing system can increase aperture value and improve the imagining quality for use in compact cameras. | 2021-10-21 |
20210325638 | Optical Image Capturing System - A four-piece optical image capturing system is disclosed. In order from an object side to an image side, the optical image capturing system along the optical axis includes a first lens with positive refractive power; a second lens with refractive power; a third lens with refractive power; and a fourth lens with refractive power; and at least one of the image-side surface and object-side surface of each of the four lenses are aspheric. The optical image capturing system can increase aperture value and improve the imagining quality for use in compact cameras. | 2021-10-21 |
20210325639 | LASER PROCESSING APPARATUS - A laser processing apparatus includes a laser source which generates a laser beam; a scanner unit disposed in an optical path of the laser beam from the laser source and which adjusts the optical path of the laser beam from the laser source in a first direction or in a second direction different from the first direction; and a reflector unit disposed in an optical path of the laser beam adjusted by the scanner unit and which reflects the laser beam adjusted by the scanner unit, where the reflector unit includes a first sub-reflector unit which shifts an optical path of the laser adjusted by the scanner unit in the first direction, and a second sub-reflector unit which shifts an optical path of the laser beam adjusted by the scanner unit in a third direction opposite to the first direction. | 2021-10-21 |
20210325640 | IMAGING LENS SYSTEM - An imaging lens system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens disposed in order from an object side. In the imaging lens system, the first lens has positive refractive power and an object-side surface of the first lens is concave. A field of view of the imaging lens system is 100 degrees or more. In the imaging lens system, a distance TTL from the object-side surface of the first lens to an imaging plane and a height ImgH of the imaging plane satisfy TTL/ImgH<1.5. | 2021-10-21 |
20210325641 | Optical Imaging System - The disclosure discloses an optical imaging system, which includes: a lens group, sequentially including, from an object side to an image side along a first direction, a first lens, a second lens, a third lens, a fourth lens and a fifth lens with refractive power; a first prism, arranged on the object side of the lens group and configured to reflect light incident into the first prim along a second direction to be emergent from the first prism along the first direction; and a second prism, arranged on the image side of the lens group and configured to reflect light incident into the second prism along the first direction to be emergent from the second prism along a third direction, wherein the first direction, the second direction and the third direction are perpendicular to one another; at least one lens in the lens group is a plastic lens. | 2021-10-21 |
20210325642 | IMAGING LENS - There is provided an imaging lens with high-resolution which satisfies demand of the wide field of view, the low-profileness and the low F-number, and excellently corrects aberrations. An imaging lens comprises in order from an object side to an image side, a first lens having positive refractive power and a convex surface facing the object side near the optical axis, a second lens having negative refractive power near the optical axis, a third lens having the positive refractive power near the optical axis, a fourth lens, and a fifth lens having the negative refractive power and a concave surface facing the image side near the optical axis, wherein the image-side surface of said fifth lens is formed as an aspheric surface having at least one off-axial pole point, and predetermined conditional expressions are satisfied. | 2021-10-21 |
20210325643 | TWO-STATE ZOOM FOLDED CAMERA - A zoom camera comprising an optical path folding element (OPFE) for folding the light from a first optical path to a second optical path, a first lens having a first optical axis and a first effective focal length EFL | 2021-10-21 |
20210325644 | Zoom Lens Group - The disclosure discloses a zoom lens group, which sequentially includes from an object side to an image side along an optical axis: a first lens group having a negative refractive power; a second lens group having a positive refractive power; a third lens group having a refractive power and having a fifth lens and a sixth lens, wherein the fifth lens and the sixth lens are formed into a cemented lens; and a fourth lens group having a refractive power. By adjusting a spacing distance on the optical axis between the first lens group and the second lens group, a spacing distance on the optical axis between the second lens group and the third lens group and a spacing distance on the optical axis between the third lens group and the fourth lens group, the zoom lens group is switched from a long-focus state to a wide-angle state. | 2021-10-21 |
20210325645 | ZOOM LENS, OPTICAL APPARATUS, AND A MANUFACTURING METHOD OF THE ZOOM LENS - A zoom lens includes, in order from an object, a first lens group having a negative refractive power, a second lens group having a positive refractive power, a third lens group having a negative refractive power, and a fourth lens group. Zooming is performed by changing respective distances between the first and second lens groups, the second and third lens groups, and the third and fourth lens groups. The first lens group includes a negative lens disposed closest to the object, and a negative lens. Specified conditional expressions are satisfied. | 2021-10-21 |
20210325646 | LENS, ZOOM LENS, AND IMAGING LENS | 2021-10-21 |
20210325647 | Zoom Lens Group - The disclosure discloses a zoom lens group, which sequentially includes, from an object side to an image side along an optical axis: a first lens group with negative refractive power, including a first lens and a second lens, wherein the first lens has negative refractive power, and an object-side surface thereof is a concave surface; a second lens group with positive refractive power; a third lens group with positive refractive power; and a fourth lens group with negative refractive power. A spacing distance of the first lens group and the second lens group on an optical axis, a spacing distance of the second lens group and the third lens group on the optical axis and a spacing distance of the third lens group and the fourth lens group on the optical axis are changed to switch the zoom lens group from a telephoto state to a wide-angle state. | 2021-10-21 |
20210325648 | DIOPTRIC TELESCOPE FOR HIGH RESOLUTION IMAGING IN VISIBLE AND INFRARED BANDS - A cata-dioptric optical system for high resolution imaging in visible and infrared bands. The system includes a concave primary mirror, a convex secondary mirror, at least one beam splitter, a first folding mirror, a first group of lenses, a second group of lenses, and at least two image planes. The image planes have one or more aggregated sensors, where a first image plane receives rays from the first group of lenses and a second image plane receives rays from the second group of lenses, and at least one image plane is positioned behind the primary mirror and at a radial distance from the optical axis that is no more than the radius of the primary mirror. | 2021-10-21 |
20210325649 | SYSTEM AND METHOD TO AUTOMATICALLY ADJUST ILLUMINATION DURING A MICROSURGICAL PROCEDURE - A surgical microscope lighting control system comprising a controller configured to: estimate or determine a lighting need of a surgeon during at least part of a surgical procedure based at least on a viewing status of a region of illumination, wherein the viewing status of the region of illumination is estimated or determined (a) based at least on whether or not the region of illumination is being displayed, or (b) based at least on tracking data of the surgeon or a head-mounted display; determine an adjustment to be made to an illumination provided by a lighting unit of a surgical microscope based on the lighting need; and in response to determining the adjustment, send a first signal to the lighting unit to change the illumination according to the adjustment. | 2021-10-21 |
20210325650 | CONFOCAL OPTICAL SYSTEM AND COMPONENTS THEREOF - A confocal optical system includes a light source and a spinning polarizer disposed in the optical pathway such the light emitted from the light source passes through the spinning polarizer. A first objective lens is disposed in the optical pathway to allow passage of light that passes through the spinning polarizer. A microlens array member is disposed adjacent the first objective lens to receive light. The microlens array member includes a plate having a plurality of holes arranged in an array pattern. A second objective lens is disposed in the optical pathway to receive and allow passage of light to a sample. The optical pathway is arranged such that, after reaching the sample, the light is directed back through the second objective lens, the microlens or microlens with filter array, and the first objective lens and a fluorescent filter cube as an emission beam to reach at least one camera which provides an image of the sample. | 2021-10-21 |
20210325651 | APPARATUS AND METHOD FOR FAST VOLUMETRIC FLUORESCENCE MICROSCOPY USING TEMPORALLY MULTIPLEXED LIGHT SHEETS - A microscopy device comprises a continuous or pulsed wave laser light source; a pair of parallel mirrors configured to receive light from the light source and reflect an array of incoherent light sheets; a beam encoder (e.g., frequency modulation reticle, Hadamard basis, random modulation pattern) to segment the array of incoherent light sheets and encode each light sheet with a respective frequency in reciprocal space; a lens configured to direct the encoded light sheets towards a biological sample; and an image capturing device configured to receive a fluorescence signal from the biological sample. | 2021-10-21 |
20210325652 | INSTANTANEOUS NON-DIFFRACTING LIGHT SHEETS - An illumination system may include an illumination source, a line-projection system to simultaneously illuminate a pupil plane with a static distribution of a plurality of one-dimensional (1D) coherent beams. Each of the 1D coherent beams of the plurality of 1D coherent beams may extend lengthwise along a coherent direction between boundaries of the pupil plane, have a width along an incoherent direction perpendicular to the coherent direction, and are distributed in a parallel distribution along the incoherent direction. Each of the 1D coherent beams of the plurality of 1D coherent beams is also spatially coherent along the coherent direction and spatially incoherent along the incoherent direction. The system may further include an objective lens to form a light sheet in an imaging plane based on an incoherent superposition of the plurality of 1D coherent beams. | 2021-10-21 |
20210325653 | HIGH SENSITIVITY PHASE MICROSCOPY IMAGING - Device for phase microscopy comprising:
| 2021-10-21 |
20210325654 | A QUANTITATIVE PHASE IMAGING METHOD BASED ON DIFFERENTIAL PHASE CONTRAST WITH OPTIMAL LIGHTING PATTERN DESIGN - The patent discloses a differential phase contrast (DPC) quantitative phase microscopy method based on the optimal illumination pattern design. Firstly, the optimal illumination pattern corresponding to the isotropic phase transfer function of DPC quantitative phase imaging is derived, which is determined as a semi-annular illumination pattern with the illumination numerical aperture NA | 2021-10-21 |
20210325655 | STEPPED BIOLOGICAL CHIP AND GENE SEQUENCING DEVICE FOR TESTING THE SAME - A stepped biological chip and a gene sequencing device for testing same. The stepped biological chip comprises substrates and small small small small small small fluorescent balls carrying biological information arranged on the top of the substrates, and the heights of the center point of adjacent small small small small small small fluorescent balls from a substrate bottom edge A are incremented or decremented by equal value. The gene sequencing device comprises a chip placing platform, the stepped biological chip, and a microscope objective lens placed above the chip placing platform and an illumination light source irradiated on the stepped biological chip at a certain angle of incidence. | 2021-10-21 |
20210325656 | APPARATUSES, SYSTEMS AND METHODS FOR SOLID IMMERSION MENISCUS LENSES - Apparatuses, systems, and methods for solid immersion meniscus lenses (SIMlenses). An optical system may include a sample holder with a first side which supports a sample, and a second side opposite the first side. The second side of the sample holder may be in contact with an immersion fluid. Light passing between the sample and an objective lens may pass through the sample holder, immersion fluid, and a SIMlens positioned between the immersion fluid and objective. The SIMlens may have a first curved surface and a second curved surface, each of which may be shaped to match a wavefront of the light as it passes through the SIMlens. The immersion fluid, SIMlens, and environment containing the objective may all have different refractive indices. | 2021-10-21 |
20210325657 | DIGITAL IMAGING DEVICE AND METHOD FOR GENERATING A DIGITAL COLOR IMAGE - A microscope includes a digital imaging device. The digital imaging device comprises a processor which is configured to: obtain a number of digital grayscale images of an object at a number of different spectral sensitivities, each of the digital grayscale images including grayscale information based on a different one of the different spectral sensitivities, obtain a number of weighting factors for each of the digital grayscale images, the weighting factors being allocated to a number of color channels defining a predetermined color space, and synthesize a digital color image of the object from the digital grayscale images in the color space by distributing the grayscale information of each grayscale image over the color channels in accordance with the weighting factors. | 2021-10-21 |
20210325658 | Plenoptic ocular device - The invention relates to a plenoptic ocular device intended to be coupled in an ocular port of an optical instrument configured to generate a real image of a sample on a focal plane situated in a region close to said ocular port, said plenoptic ocular device being configured to capture said real image, generate a set of elemental images and send them to recording means with spatial discretisation which in turn comprises communication means configured to transmit the set of elemental images to external image processing means. | 2021-10-21 |