Class / Patent application number | Description | Number of patent applications / Date published |
250227280 | With specific configuration of light conductor components with respect to each other | 20 |
20090314929 | Biomimetic Microfabricated Compound Eyes - An artificial compound eye comprising a plurality of three-dimensional (3D) self-aligned polymer microlenses disposed on a curvilinear surface; and a plurality of waveguides, wherein each of the waveguides is in optical communication with one of the plurality of polymer microlenses. | 12-24-2009 |
20100108868 | OPTICAL MODULE - An optical module is configured such that it is not susceptible to fine particulate matter when an optical fiber is inserted into a fiber insertion hole thereof. The optical module is also configured to prevent any reduction in the optical coupling efficiency and degradation of anti-noise properties with the optical fiber. The optical module includes: a ferrule, having the fiber insertion hole formed on an end surface on which an electrical circuit is formed; a photoelectric conversion element, connected to the electrical circuit and facing the fiber insertion hole; and an optical fiber, optically coupled directly with the photoelectric conversion element. The optical fiber has a glass fiber and a protective coating, and is aligned with the insertion hole with the protective coating interposed therebetween. The optical fiber is retained in the insertion hole with the glass fiber not in contact with the insertion hole. | 05-06-2010 |
20100155585 | Method and system for detecting single-shot pulse contrast based on fiber array - A system for detecting single-shot pulse contrast includes a correlator generating a correlation signal, a spectral filter filtering light signals having wavelengths different from the correlation signal, a fiber array comprising a plurality of fibers with different lengths for transmitting the correlation signal in parallel forming parallel correlation signals, and a fiber bundle bounding the fibers at the end thereof for converging the parallel correlation signals, wherein due to different lengths of the fibers, the parallel correlation signals are converted into serial correlation signals at end of the fibers, a plurality of fiber attenuators spliced into at least one of the fibers respectively for attenuating the parallel correlation signals, a detector for detecting the serial correlation signals to produce analog signals, an A/D convertor converting the analog signals to digital signals, and a computer for processing the digital signals for retrieving the single-shot pulse contrast. | 06-24-2010 |
20100163715 | Light Focusing in Linear Channel Arrays - The invention relates to devices that contain linear channels having optically transparent substances for focusing light. In some embodiments, the invention relates to improved nucleic acid sequencing methods using devices disclosed herein. In other embodiments, the invention relates to the arrangement of materials in and around capillary tubes with refractive indexes that maximize the number of channels useful for fluorescent detection of compositions after capillary electrophoresis. | 07-01-2010 |
20100163716 | OPTICAL ENCODER - An optical encoder for measuring the rotary angle of a rotating shaft comprising an electronic board with light emitter and light sensor means disposed between a pair of overlying light guides having a common symmetry axis that coincides with the shaft rotation axis, the light guides receiving light from a light emitter means on the electronic board and returning light to a light sensor means the electronic board; an optical pattern of two concentric annular sections attached to the rotating shaft and an optical pattern of two concentric annular sections on a stationary device. A method for measuring the rotary angle of the rotating shaft by emitting light from the electronic board into the light guides and processing the signals received on the electronic board from light rays returning through the light guides after interacting with the said optical patterns. | 07-01-2010 |
20110186717 | OPTICAL TRANSMISSION MODULE, ELECTRONIC DEVICE AND METHOD FOR MANUFACTURING OPTICAL TRANSMISSION MODULE - A light transmission module includes a light transmission path for transmitting light, an optical element including a light emitting and receiving surface for optically coupling with the light transmitted by the light transmission path, and being formed with a light emitting and receiving point having a function of photoelectric conversion and an electrode pad on the light emitting and receiving surface. The light transmission module further includes a substrate mounted with the optical element and an electrical wiring and an electrical connecting member for electrically connecting the electrode pad and the electrical wiring. The substrate includes a wiring exposed surface where the electrical wiring is exposed. The electrical connecting member is made of solidified object of a liquid conductive material arranged to contact the electrical wiring, which is exposed at the wiring exposed surface, and the electrode pad. | 08-04-2011 |
20110297817 | L-SHAPED OPTICAL WAVEGUIDE DEVICE - There is provided an L-shaped optical waveguide device, wherein a coupled end of a first I-shaped optical waveguide has a concave portion and a coupled end of a second I-shaped optical waveguide has a convex portion. A concave-convex joint is formed by fitting the concave portion with the convex portion to couple the first and second I-shaped optical waveguides to each other. A plurality of cores which belong to the second I-shaped optical waveguide having the convex portion respectively bend approximately at a right angle near a photoelectric conversion element to be optically coupled to the photoelectric conversion element. | 12-08-2011 |
20120097843 | PHOTOELECTRIC ENCODER AND PHOTOELECTRIC ENCODER SYSTEM - A photoelectric encoder includes a scale in which diffraction gratings are formed at predetermined pitches in a measurement axis direction, a detection head which is relatively movable with respect to the scale, and which includes an illuminating portion configured to illuminate the scale, and a light receiving portion configured to receive light reflected by or transmitted through the diffraction gratings of the scale, a signal processing device configured to process a light reception signal output from the light receiving portion of the detection head, and a signal transmitting unit configured to transmit a signal between the detection head and the signal processing device. The signal processing device includes a display unit configured to display information indicating an attachment posture of the detection head with respect to the scale. | 04-26-2012 |
20120112049 | MULTI-OPTICAL AXIS PHOTOELECTRIC SENSOR - A multi-optical axis photoelectric sensor is provided having a casing that forms an outer shape of each of a projector and an optical receiver. The casing includes a frame body having a front face and two ends opened, a pair of caps to cover both ends of the frame body, and a light transmissive plate to cover the opened front face of the frame body | 05-10-2012 |
20120193522 | Monolithic Optical Coupling Module Based On Total Internal Reflection Surfaces - In one aspect, an optical device comprises a monolithic optical module which includes a first total internal reflection (TIR) surface, a second TIR surface adjacent the first TIR surface, and a first optical port aligned with the first internal optical beam dividing interface. An interface between the first TIR surface and the second TIR surface forms a first internal optical beam dividing interface. An exterior surface of the first TIR surface and an exterior surface of the second TIR surface form a generally V-shaped notch on the monolithic optical module. A first optical beam entering the monolithic optical module through the first optical port and incident on the first internal optical beam dividing interface is partially reflected by the first TIR surface to travel in a first direction as a second optical beam and partially reflected by the second TIR surface to travel in a second direction as a third optical beam. The second direction is generally opposite to the first direction. | 08-02-2012 |
20120261559 | Monolithic Optical Coupling Module Based On Total Internal Reflection Surfaces - A low-cost monolithic optical module for splitting one or more input optical beams to two or more output optical beams is provided. The one or more input optical beams are reflected by two or more total internal reflection (TIR) surfaces of the monolithic optical module. A light splitting ratio between the two or more output optical beams is predetermined by one or more physical features of the two or more TIR surfaces. | 10-18-2012 |
20130112858 | POLARIZATION DIVERSITY DETECTOR - A polarization diversity detector includes at least one optical fiber having a first end for receiving a beam of light and a second end for transmitting the beam of light. A collimator receives the beam of the light from the optical fiber and outputs a collimated beam. A polarization diversity element includes a birefringent material which is positioned for receiving the collimated beam and resolving the collimated beam into a first beam having a first polarization and a second beam having a second polarization different from the first polarization. The first beam and second beam are angled relative to one another. At least one photodetector array pair includes a first photodetector array positioned to receive the first beam and a second photodetector array positioned to receive the second beam. | 05-09-2013 |
20130270427 | PHOTOELECTRIC DEVICE PACKAGE AND DETACHABLE PACKAGE STRUCTURE - A photoelectric device package and a detachable package structure are provided. The photoelectric device package includes a bottom-plate, a top-plate, at least one photoelectric device, and at least one light-guiding element. The bottom-plate has a first carrying part and a first substrate part on the first carrying part. The first carrying part has first alignment portions. The first substrate part has second alignment portions. The top-plate has a second carrying part and a second substrate part on the second carrying part. The second carrying part has third alignment portions. The second substrate part has fourth alignment portions. The top-plate and the bottom-plate are assembled by the first and third alignment portions. The first and second substrate parts are positioned by the second and fourth alignment portions. Each photoelectric device is disposed on the first substrate part. Each light-guiding element is disposed between the first and second substrate parts. | 10-17-2013 |
20140209798 | DEVICES AND METHODS FOR MULTIMODE LIGHT DETECTION - Multimode light detectors are provided, which combine a plurality of measurements of light to detect information, using a mode transformation device. The light may be light from one or more objects, and the mode transformation device may be configured to transform the light into many single mode light beams. Each measurement of the light may be a measurement of a corresponding single mode light beam. The multimode detectors may include one or more optical receivers, configured to mix one or more single mode light beams with one or more local oscillators, respectively. Methods are provided for detecting information of objects, including obtaining light from the objects, transforming the light into multiple single mode light beams, and collecting (and/or combining) measurements of the single mode light beams. | 07-31-2014 |
20140217270 | LIGHT-RECEIVING MODULE - A light-receiving module of the present invention includes: a lens collimating signal light entering from an optical fiber; a PLC (Planar Lightwave Circuit) where the signal light emitted by the lens enters; a mirror having a function of reflecting and transmitting the signal light emitted by the PLC; and a light-receiving element receiving the signal light reflected by the mirror. The mirror also has a function of transmitting light from the opposite direction to a direction to transmit the signal light emitted by the PLC. The module further includes a dummy mirror which reflects external light entering from outside in a direction toward the PLC, passes the reflected external light through the mirror from the opposite direction to the signal light transmission direction, causes the light to enter the PLC, and guides the light to the optical fiber via the PLC. | 08-07-2014 |
20150108336 | DETECTOR DEVICE - An apparatus according to an exemplary aspect of the present disclosure includes, among other things, a substrate, at least one semiconductor light-detector on the substrate and an optical waveguide on the substrate. The optical waveguide is configured to guide light to the at least one light-detector, one or more vias in a surface of the substrate or one or more ridges on the surface of the substrate. The one or more vias or ridges are configured to at least partially interrupt light propagating along the surface toward the at least one semiconductor light-detector from outside the optical waveguide. | 04-23-2015 |
20160018660 | OPTICAL ELEMENT FOR SPATIAL BEAM SHAPING - A spatial beam shaper structure and a corresponding optical system are provided. The spatial beam shaper structure comprises a light collecting surface configured for affecting light impinging thereon to provide a substantially smooth light profile of at least one optical property, the light collecting surface having a pattern in the form of multiple surface regions comprising regions of at least two different optical properties arranged in an alternating fashion, wherein an interface region between each two locally adjacent regions of the different optical properties has the at least two different optical properties, to provide substantially smooth transition of said different optical properties within the interface region. | 01-21-2016 |
20160138958 | Optical Impedance Modulation for Fuel Quantity Measurement - Systems and methods that use an optical impedance sensor that eliminates electricity for measuring fuel quantity in fuel tanks. The optical impedance sensor comprises two optical fibers spaced apart inside a meniscus tube, one to transmit light along its length and the other to receive light along its length. The meniscus tube minimizes the sloshing of fuel level. The fuel level in the tank modulates the optical impedance between the two optical fibers, resulting in changes in the total light received by an optical detector. Depending on fuel tank height, the optical impedance sensor may comprise different embodiments in which the detection apparatus shapes the light to be unidirectional (emitted and collected only on one side of the fiber) or omnidirectional (all directions). | 05-19-2016 |
20160170285 | OPTOELECTRONIC FILTER | 06-16-2016 |
20160195412 | Optical Power Limiting Method Using Stimulated Brillouin Scattering in Fiber Optic Waveguides | 07-07-2016 |