| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 359239000 | Modulator output feedback to modulator | 45 |
| 20080218837 | APPARATUS FOR CALIBRATING DISPLACEMENT OF REFLECTIVE PARTS IN DIFFRACTIVE OPTICAL MODULATOR - Disclosed herein is an apparatus for calibrating the displacement of reflective parts in a diffractive optical modulator. The apparatus includes a diffractive optical modulator, a light intensity measurement unit, a projection unit, and display electronics. The light intensity measurement unit is disposed near one side of the diffractive optical modulator and measures and outputs the intensity of incident linear diffracted light having a predetermined diffraction order. | 09-11-2008 |
| 20080225372 | Electronically Controlled Stage Lighting System - A lighting system operating using a digital mirror as its operative device. The digital mirror is used to shape the light which is a passed through advanced optical devices in order to produce an output. | 09-18-2008 |
| 20080316571 | Apparatus And Methods Relating To Spatially Light Modulated Microscopy - Apparatus and methods relating to microscopes having specific control of the light that contacts a sample and/or a light detector, such as the eye of the user, a charge couple device or a video camera. The improved control includes enhanced, selective control of the angle of illumination, quantity of light and location of light reaching the sample and/or detector. The microscopes comprise one or more spatial light modulators in the illumination and/or detection light path of the microscope at one or both of the conjugate image plane of the aperture diaphragm of the objective lens and the conjugate image plane of the sample. | 12-25-2008 |
| 20090097094 | ILLUMINATION OPTICAL SYSTEM, EXPOSURE APPARATUS, AND DEVICE MANUFACTURING METHOD - An illumination optical system which illuminates an irradiated plane with illumination light provided from a light source includes a spatial light modulator which is arranged in an optical path of the illumination optical system and cooperates with part of the illumination optical system to form a desired light intensity distribution at a pupil position of the illumination optical system or a position optically conjugated with the pupil position. A detection unit detects the light intensity distribution of the illumination light at a position in an optical path extending from the light source to the spatial light modulator. The detection unit includes a light receiving surface which receives some of the illumination light. A control unit controls the spatial light modulator based on the light intensity distribution detected by the detection unit. | 04-16-2009 |
| 20090116092 | Method and apparatus for correcting output light-amounts of spatial light modulator, image recording apparatus, and image recording method - In each light modulator element of a special light modulator with diffraction grating structure where moving ribbons and fixed ribbons are alternately arranged, the maximum light-amount (I | 05-07-2009 |
| 20090116093 | ILLUMINATION APPARATUS, ILLUMINATION METHOD, EXPOSURE APPARATUS, AND DEVICE MANUFACTURING METHOD - To optionally forming a multilevel light intensity distribution on an illumination pupil plane, the illumination apparatus implements Köhler illumination on an illumination target surface, using as a light source the light intensity distribution formed on the illumination pupil plane on the basis of light from a light source. The illumination apparatus has a spatial light modulator, a condensing optical system, and a control unit. The spatial light modulator has a plurality of reflecting surfaces which are two-dimensionally arranged and postures of which can be controlled independently of each other. The condensing optical system condenses light from the reflecting surfaces to form a predetermined light intensity distribution on the illumination pupil plane. The control unit controls the number of reflecting surfaces contributing to arriving light, for each of points on the illumination pupil plane forming the light intensity distribution, according to a light intensity distribution to be formed on the illumination pupil plane. | 05-07-2009 |
| 20090201564 | Monitoring Modulator Bias Using Photon Absorption - Monitoring a bias point of an optical modulator includes receiving an optical signal modulated by the optical modulator. Photons of the optical signal are received at a photon reactive material operable to produce a reaction in response to the arrival of a predetermined number of photons. Reactions are produced in response to the arrival of the photons of the optical signal. Feedback is generated in response to the reactions. The feedback reflects the waveform of the optical signal, and indicates one or more bias points of the optical modulator. | 08-13-2009 |
| 20090296186 | Polarisation-Controller Driving Method for Optical Fibre Transmission Systems and Apparatus in Accordance with Said Method - A method of piloting an optical polarization controller including a cascade of variable polarization transformers that can be driven individually to realize overall a polarization transformation between an input optical signal and an output optical signal with each transformer having predetermined maximum and minimum end driving limits. For each transformer the method includes cyclically the steps of finding an error signal output to the controller and driving a first transformer polarization variation by a predetermined amount CS in one of the two directions to check whether with this variation the error signal is reduced and, if not, driving in the opposite direction. The decision of which of the two directions to drive first is made each time and is not fixed. Equipment in accordance with the method is also described. | 12-03-2009 |
| 20100067086 | USE OF AN ANGLE-SELECTIVE RETRO-REFLECTOR TO RECAPTURE OFF-STATE ENERGY - Provided is a method for using a display system. The method, in one embodiment, includes directing a light beam from a light source to an array of individually addressable pixels of a spatial light modulator. The method further includes modulating the light beam into a first portion of light using a first addressable pixel, and a second portion of light using a second addressable pixel. Thereafter, the method includes directing the first portion of light having a first incident angle and the second portion of light having a second different incident angle toward an angle-selective retro-reflector, the angle-selective retro-reflector configured to transmit the first portion of light onto a display target, and reflect the second portion of light back toward the second addressable pixel. Additionally, the method includes recycling the reflected second portion of light to the pixels of the spatial light modulator. | 03-18-2010 |
| 20100110520 | Electronically Controlled Stage Lighting System - A lighting system operating using a digital mirror as its operative device. The digital mirror is used to shape the light which is a passed through advanced optical devices in order to produce an output. | 05-06-2010 |
| 20100118374 | METHODOLOGY OF MAINTAINING CCT FOR WHITE LIGHT USING LED - The present invention relates generally to a methodology of maintaining correlated colour temperature (CCT) of light beam from lighting means by having a processing means to instruct several lighting means groups, wherein each group has different CCT ranges, that are arranged together, to provide light beam of intended CCT, if the CCT of light beam from the lighting means that are reflected back using reflecting means, which are captured and converted to binary data by the sensory means are different from the intended CCT. | 05-13-2010 |
| 20100118375 | Tunable Single Sideband Modulators Based On Electro-Optic Optical Whispering Gallery Mode Resonators and Their Applications - Photonic devices and techniques based on tunable single sideband (SSB) modulation in whispering gallery mode resonators formed of electro-optic materials to effectuate coupling between whispering gallery modes of different polarizations. | 05-13-2010 |
| 20100123945 | WAVEFORM CONTROLLER, RESPONSIVE ELEMENT MODULE, OPTICAL SWITCH APPARATUS, RESPONSIVE ELEMENT AND OPTICAL SWITCH APPARATUS CONTROL METHOD - A waveform controller includes a monitor configured to monitor a waveform of an output pulse obtained by the response of a responsive element to a driving signal supplied thereto and a driving waveform shaper configured to shape a waveform of the driving signal based on a monitoring result obtained by the monitor. | 05-20-2010 |
| 20100128336 | INTEGRATED CONTROL SYSTEM FOR LASER AND MACH-ZEHNDER INTERFEROMETER - An integrated control system for a laser and Mach-Zehnder interferometer are disclosed and may include configuring a bias point for low-speed control of an optical modulator utilizing control circuitry integrated on the same CMOS die. The optical modulator may be differentially monitored. A laser source for the modulator may be controlled utilizing monitor photodiodes via optical taps on outputs of the modulator, or utilizing a monitor photodiode on one output port of the modulator, which may comprise a Mach-Zehnder interferometer. An error signal may be generated by subtracting monitor photodiode signals from optical taps on output ports of the modulator. The bias point of the modulator may be adjusted by minimizing the error signal. Calibration time of the bias point may be reduced utilizing electronic data inversion. An output of the modulator may comprise a Y-junction and a single monitor photodiode may measure both branches of the modulator. | 05-27-2010 |
| 20100134862 | OPTICAL AMPLIFIER - A high-speed optical amplifier is considered to be an important optical device because of an increasing demand of routing, which is accompanied by an increase in complexity of networks. It is difficult to satisfy a response performance by related-art techniques, and there has been a problem in achieving a high-speed response performance of 10 microseconds or less. | 06-03-2010 |
| 20100142025 | CONTROL APPARATUS AND METHOD OF EXTERNAL MODULATOR - A control apparatus for an external modulator that modulates light emitted from a light source based on an input signal, the control apparatus comprises: a low-frequency signal generating device that generates and outputs a low-frequency signal having a predetermined frequency; a signal superimposing device that superimposes a first modulation signal, which is the input signal on the low-frequency signal, to make a second modulation signal, and applies this second modulation signal to the external modulator; a low-frequency signal detecting device that detects the low-frequency signal component from an optical output of the external modulator, compares a phase of this detected low-frequency signal with a phase of a low-frequency signal output from the low-frequency signal generating device, and outputs a signal according to a phase difference; an operating point control device that controls based on an output signal of the low-frequency signal detecting device, so as to compensate for operating point drift of the external modulator; an optical power level detecting device that detects an average value of an optical output of the external modulator; and a variable gain amplifying device configured so as to set a gain based on a detection output of the optical power level detecting device, that amplifies an output of the low-frequency signal detecting device, and outputs this to the operating point control device, wherein gain of the variable gain amplifying device is set so that a closed-loop gain of a loop from an output side of the external modulator through the operating point control device and back to the external modulator, becomes constant. | 06-10-2010 |
| 20100195183 | Optical switching apparatus and optical switching method - An optical switching apparatus changes an angle of a movable mirror reflecting light input to the optical switching apparatus and performs switching control for switching an output port that outputs the light reflected by the movable mirror. The optical switching apparatus includes an acquiring unit that acquires intensity information concerning the light output from the output port; a controller that based on the intensity information acquired by the acquiring unit and by adjusting the angle of the movable mirror, performs intensity control of the light output; a detector that based on the intensity information, detects a fluctuation greater than a predetermined fluctuation amount of the light output; and a suspending unit that suspends the intensity control by the controller, if the detector detects the fluctuation. | 08-05-2010 |
| 20100245968 | BIAS CONTROLLER - The present invention relates to a bias controller for a dual output electro-optic modulator and a method for controlling the bias of a dual output electro-optic modulator. The invention further comprises an optical commutator switch with a plurality of dual-output electro-optic modulators interconnected in a tiered arrangement, and control means for deriving measurements of optical power from each of the modulators. The optical commutator is further used for determining respective bias control signals to achieve and maintain operation of the modulators substantially at their quadrature bias points, and further for generating said respective bias control signals for applying them to the respective modulators. | 09-30-2010 |
| 20100271682 | BIAS CONTROLLER - A bias controller and a method for controlling the bias of an electro-optic modulator are provided. In the method, for a received indication of modulator temperature, steps are provided for accessing a look-up table to determine a corresponding value of bias voltage, for a required bias point, to apply to the modulator. If no such value is stored, additional steps are provided to generate a pilot tone for input to the modulator and to recognize, from the signal content of a modulated optical signal output by the modulator, operation of the modulator at the required bias point, adjusting the value of bias voltage being applied to the modulator as required. When operation at the required bias point is recognized, the respective value of bias voltage for that modulator temperature is stored in the look-up table. The same method is provided to configure a bias controller in respect of a given modulator, if necessary ab initio. | 10-28-2010 |
| 20100271683 | CONTROLLING THE PHASE OF OPTICAL CARRIERS - A system and method for locking the relative phase of multiple coherent optical signals, which compensates for optical phase changes induced by vibration or thermal changes in the environment. | 10-28-2010 |
| 20110058243 | METHODS FOR FORMING LAYERS WITHIN A MEMS DEVICE USING LIFTOFF PROCESSES - Certain MEMS devices include layers patterned to have tapered edges. One method for forming layers having tapered edges includes the use of an etch leading layer. Another method for forming layers having tapered edges includes the deposition of a layer in which the upper portion is etchable at a faster rate than the lower portion. Another method for forming layers having tapered edges includes the use of multiple iterative etches. Another method for forming layers having tapered edges includes the use of a liftoff mask layer having an aperture including a negative angle, such that a layer can be deposited over the liftoff mask layer and the mask layer removed, leaving a structure having tapered edges. | 03-10-2011 |
| 20110075236 | Method Utilizing an Electrooptic Modulator - A method utilizes a dynamically controllable optical element that receives an electrical field, which changes an index of refraction in at least one direction within the optical element. The change in index of refraction imparts a change to a beam of radiation passing through the optical element. The electric field is controlled by a feedback/control signal from a feedback system that includes a detector positioned proximate an image plane in the system. The optical element can be positioned in various places within the system depending on what light characteristics need to be adjusted, for example after an illumination system or after a light patterning system. In this manner, the optical element, under control of the dynamic electric field, can dynamically change its propagation characteristics to dynamically change either a beam of illumination from the illumination system or a patterned beam of radiation from the patterning system, such that they exhibit desired light characteristics. | 03-31-2011 |
| 20110267670 | BIAS POINT CONTROL CIRCUIT FOR EXTERNALLY MODULATED TRANSMITTER - Methods and apparatuses for controlling a bias point voltage for an external optical modulator are provided. A control loop is used to adjust a bias signal applied to an external modulator by determining unwanted signals at a predetermined frequency received by an optical receiver of the control loop and accounting for these unwanted signals when determining the bias point voltage. | 11-03-2011 |
| 20110292485 | Integrated Angle of Arrival Sensing and Duplex Communication with Cats-Eye Multiple Quantum Well Modulating Retroreflector - A modulating retroreflector system includes a modulating retroreflector having a plurality of multiple quantum well modulator pixels and at least one transimpedance amplifier. The transimpedance amplifier receives a photocurrent generated by at least one of the plurality of modulator pixels. Each pixel is capacitively coupled to a current driver, which applies a high frequency digital electrical signal to the pixel when the voltage at the output of the transimpedance amplifier exceeds a threshold value. The modulated output of the retroreflector is reflected toward the source of the received optical beam. The system activates high frequency current drivers for only the illuminated pixels, eliminating the need for a separate angle of incidence sensor and reducing power requirements. A low frequency FSK signal can be superimposed on the DC optical interrogation beam and recovered as the unfiltered output of the transimpedance amplifier, to provide simultaneous bidirectional communication without a half-duplex communication protocol. | 12-01-2011 |
| 20120013965 | METHOD FOR UTILIZING PROPERTIES OF THE SINC(X) FUNCTION FOR PHASE RETRIEVAL ON NYQUIST-UNDER-SAMPLED DATA - Disclosed herein are systems, methods, and non-transitory computer-readable storage media for simulating propagation of an electromagnetic field, performing phase retrieval, or sampling a band-limited function. A system practicing the method generates transformed data using a discrete Fourier transform which samples a band-limited function f(x) without interpolating or modifying received data associated with the function f(x), wherein an interval between repeated copies in a periodic extension of the function f(x) obtained from the discrete Fourier transform is associated with a sampling ratio Q, defined as a ratio of a sampling frequency to a band-limited frequency, and wherein Q is assigned a value between 1 and 2 such that substantially no aliasing occurs in the transformed data, and retrieves a phase in the received data based on the transformed data, wherein the phase is used as feedback to an optical system. | 01-19-2012 |
| 20120069417 | Photonic modulation of a photonic band gap - An apparatus comprises a first photonic crystal structure having a first photonic band gap distribution and configured to support a first electromagnetic signal, wherein the first photonic band gap distribution may vary according to a second electromagnetic signal. | 03-22-2012 |
| 20120099172 | MICROSCOPE SYSTEM - A microscope system as an optical microscope system for observing a specimen includes: an imaging optical system that forms an image of transmitted light or reflected light from the specimen; an illumination light source that illuminates illumination light on the specimen; an illumination optical system that has a first spatial light modulation element, which changes intensity distribution of the illumination light at a conjugate position of a pupil of the imaging optical system, and illuminates light, which is originated from the illumination light source, on the specimen; an image sensor that detects light through the imaging optical system; and a calculation section that calculates the intensity distribution of the illumination light appropriate for observation of the specimen on the basis of the intensity distribution of the illumination light formed by the first spatial light modulation element and output data detected by the image sensor. | 04-26-2012 |
| 20120188626 | METHOD AND APPARATUS FOR SUPPRESSION OF FOUR-WAVE MIXING USING POLARIZATION CONTROL WITH A HIGH POWER POLARIZATION MAINTAINING FIBER AMPLIFIER SYSTEM - A method and apparatus for suppression of four-wave mixing using polarization control with a high power polarization maintaining fiber amplifier system. The apparatus includes a master oscillator (MO) that generates a beam; a polarization controller that receives the beam from the MO and transmits the beam with a desired polarization; a pre-amplifier that receives the beam from the polarization controller, pre-amplifies the beam, and transmits the beam; a high power fiber amplifier that receives the beam from the pre-amplifier, amplifies the beam, and transmits an output beam; and a polarization detector that detects the polarization of the output beam. The polarization detector transmits feedback to the polarization controller to ensure that the output beam components aligned with the principal birefringent axes of the high power fiber amplifier have approximately equal power. | 07-26-2012 |
| 20120250134 | ADAPTIVE OPTIC BEAMSHAPING IN LASER PROCESSING SYSTEMS - A laser processing system quickly and flexibly modifies a processing beam to determine and implement an improved or optimum beam profile for a particular application (or a subset of the application). The system reduces the sensitivity of beam shaping subsystems to variations in the laser processing system, including those due to manufacturing tolerances, thermal drift, variations in component performance, and other sources of system variation. Certain embodiments also manipulate lower quality laser beams (higher M | 10-04-2012 |
| 20120327497 | PARAMETRIC REGENERATIVE OSCILLATORS BASED ON OPTO-ELECTRONIC FEEDBACK AND OPTICAL REGENERATION VIA NONLINEAR OPTICAL MIXING IN WHISPERING GALLERY MODE OPTICAL RESONATORS - Techniques and devices based on optical resonators made of nonlinear optical materials and nonlinear wave mixing to generate RF or microwave oscillations using an active opto-electronic loop. | 12-27-2012 |
| 20130050796 | Electronically Controlled Stage Lighting System - A lighting system operating using a digital mirror as its operative device. The digital mirror is used to shape the light which is a passed through advanced optical devices in order to produce an output. | 02-28-2013 |
| 20130107343 | COHERENT OPTICAL AMPLIFIER | 05-02-2013 |
| 20130229700 | POLARIZATION MODE DISPERSION GENERATING DEVICE, METHOD FOR GENERATING POLARIZATION MODE DISPERSION AND POLARIZATION MODE DISPERSION COMPENSATING DEVICE - It is possible to implement a PMD generating function which can set a PMD vector for each wavelength over wide wavelength bands and which has a simple control algorithm. A PCD and a DR can be controlled independently because the PMD can be set for each wavelength. Input signal light | 09-05-2013 |
| 20130258435 | WIDE-BAND RF PHOTONIC RECEIVERS AND OTHER DEVICES USING TWO OPTICAL MODES OF DIFFERENT QUALITY FACTORS - This document provides techniques, apparatus and designs for using electro-optic WGM resonators that support two different families of optical WGM modes with different quality factors in various applications. A radio frequency (RF) resonator is formed on the optical resonator and structured to supply an RF field and spatially overlaps the RF field of the RF resonator with the first and second optical whispering gallery modes to cause RF energy in the RF field at a first RF carrier frequency to couple with the first optical whispering gallery mode and RF energy in the RF field at a second RF carrier frequency to couple with the second optical whispering gallery mode. | 10-03-2013 |
| 20140016172 | Mach-Zehnder Modulator Drive Level Optimization - A method for determining, by a modulator assembly, an optimal drive point for a Mach-Zehnder modulator (MZM). The modulator assembly applies an electrical modulation signal to the MZM to modulate an optical input signal and create a modulated optical output signal, the modulated optical output having a spectrum that includes a first and third harmonic. The modulator assembly measures the difference in magnitude between the first harmonic and the third harmonic as the amplitude of the electrical modulation signal is varied, and determines a value for the amplitude of the electrical modulation signal that corresponds to a maximum difference between the first harmonic and the third harmonic. | 01-16-2014 |
| 20140118811 | METHOD AND SYSTEM FOR CONFIGURING A DEVICE FOR CORRECTING THE EFFECT OF A MEDIUM ON A LIGHT SIGNAL, METHOD, DEVICE AND SYSTEM FOR CORRECTING SAID EFFECT - A method and a system is provided for configuring a device for correcting the effect of a medium on a light signal having propagated through the medium, the device including at least one optical element whose phase profiles are individually adjustable. The configuring system and method include propagating a reference signal and a disordered signal obtained at the output of the medium through the correcting device. An interference parameter is measured and optimized by modifying the phase profile of each of the optical elements of the correcting device. A method and a system is also provided for correcting the effect of a medium on a light signal having propagated through the medium. | 05-01-2014 |
| 20140168741 | BIAS VOLTAGE CONTROL SYSTEM AND BIAS VOLTAGE CONTROL METHOD - A bias voltage control system and method for an optical IQ modulator are disclosed. The optical IQ modulator includes an I-branch Mach-Zehnder Modulator (MZM) to which an I-branch bias voltage is applied, a Q-branch MZM to which a Q-branch bias voltage is applied, and an optical phase shifter to which an orthogonal bias voltage is applied. The system comprises a photo-detector converting at least a part of an optical signal output by the optical IQ modulator to an electrical signal; an analog-to-digital converter converting the electrical signal to a digital signal; and a digital signal processor superimposing a first dither signal and a second dither signal on the I-branch bias voltage and the Q-branch bias voltage respectively to generate a first order harmonic signal and a second order harmonic signal, and controlling the bias voltages according to powers of a DC component, and the first and second order harmonic signals. | 06-19-2014 |
| 20140268278 | Optical Polarimeter - A polarimeter is proposed that utilizes additional Stokes parameter measurements to determine both an average Stokes vector, as well as any rotation of the state of polarization around the Stokes vector. The optical polarimeter is configured to measure the state of polarization (SOP) under multiple, different conditions that yield both averaged Stokes vector and at least one other secondary (filtered) Stokes vector, the latter thus being determined from a subset of the conditions used to create the average Stokes vector. The secondary Stokes vector created from a filtered input will necessarily exhibit changes over time as a function of polarization transformations (based on filter-dependent changes), while the average Stokes vector will retain a constant value. Thus, a comparison of the average Stokes vector to the changing secondary Stokes vector allows for these polarization-dependent transformations to be recognized. | 09-18-2014 |
| 20140313560 | OPTICAL PHASED ARRAY - An optical phased array ( | 10-23-2014 |
| 20150138618 | MULTI-BEAM COMBINING APPARATUS - A multi-beam combining apparatus includes a phase shifting section, a superposing section, an observing section and a phase control section. The phase shifting section generates a plurality of phase-shifted laser beams by shifting the phase of each of the plurality of laser beams. The superposing section generates a plurality of superposed laser beam by superposing the reference laser beam and each of the plurality of phase-shifted laser beams. The observing section generates interference pattern data of a spatial interference pattern which appears when observing each of the superposed laser beams. The phase control section carries out a feedback control of the phase shifts in the phase shifting section based on the interference pattern data obtained for every superposed laser beam, and thereby sets the plurality of phase-shifted laser beams to desired states. | 05-21-2015 |
| 20160104996 | LASER SYSTEM AND METHOD FOR CONTROLLING THE WAVE FRONT OF A LASER BEAM - A laser system and associated method are provided for controlling the wave front of a primary laser beam. The laser system includes a laser medium for producing a primary laser beam and at least one optical element to which the primary laser beam is directed. The laser system also includes a secondary laser source for producing a secondary laser beam. The laser system may further include a spatial light modulator configured to receive the secondary laser beam and to spatially modulate the secondary laser beam to create a spatially modulated secondary laser beam having a spatial intensity pattern. The spatially modulated secondary laser beam may impinge upon at least one of the laser medium or the at least one optical element in order to selectively modify the temperature of portions of the laser medium or the at least one optical element upon which the spatially modulated secondary laser beam impinges. | 04-14-2016 |
| 20160109700 | ANGULAR DISPLACEMENT DETECTING METHOD FOR ADAPTIVE OPTICS SYSTEM, IMAGING MAGNIFICATION DETECTING METHOD FOR ADAPTIVE OPTICS SYSTEM, AND ADAPTIVE OPTICS SYSTEM - An adaptive optics system includes a spatial light modulator configured to spatially modulate a phase of an optical image incident on a modulation surface and a wavefront sensor including a lens array having a plurality of two-dimensionally arranged lenses and an optical detection element for detecting a light intensity distribution including converging spots formed by the lens array and configured to receive the optical image after the modulation from the spatial light modulator, and compensates for wavefront distribution by controlling a phase pattern displayed in the spatial light modulator based on a wavefront shape of the optical image obtained from the light intensity distribution, wherein an amount of angular displacement between the modulation surface and the wavefront sensor is calculated. | 04-21-2016 |
| 20160124221 | CORRESPONDENCE RELATION SPECIFYING METHOD FOR ADAPTIVE OPTICS SYSTEM, ADAPTIVE OPTICS SYSTEM, AND STORAGE MEDIUM STORING PROGRAM FOR ADAPTIVE OPTICS SYSTEM - An adaptive optics system includes a spatial light modulator configured to spatially modulate a phase of an optical image incident on a modulation surface including N two-dimensionally arranged regions and a wavefront sensor including a lens array having N two-dimensionally arranged lenses corresponding to the N regions and an optical detection element for detecting a light intensity distribution including M converging spots formed by the lens array and configured to receive the optical image after the modulation from the spatial light modulator, and compensates for the wavefront distortion by controlling a phase pattern displayed in the spatial light modulator based on a wavefront shape of the optical image obtained from the light intensity distribution, wherein a correspondence relation between the region of the spatial light modulator and the converging spot formed in the wavefront sensor is specified while the compensation for the wavefront distortion is executed. | 05-05-2016 |
| 20160164255 | OPTICAL SOURCE - An optical source is presented comprising a laser and an optical filter in optical communication with the laser. The laser comprises an optical gain section; and an optical phase control section. The filter is configured to receive light output from the laser and filter the said received light. The source is configured to input the filtered light back into the laser. | 06-09-2016 |
| 20160202590 | DRIVER FOR ELECTROCHROMIC GLASS UNIT | 07-14-2016 |
