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| Number | Title | Issue Date |
| 8004748 | Thermal lens forming element A thermal lens forming element includes a first chamber serving as a control light absorbing region, which is configured as a columnar body or an N prismatic body (wherein N is an integer equal to or greater than 4) circumscribing the columnar body and filled with a... | 08/23/2011 |
| 7460294 | Optically addressed MEMS Optically controlled micro-electromechanical systems (MEMS) is disclosed. In one embodiment, a MEMS device may include a rotatable mirror having an optical sensor that is in electrical communication with the rotatable mirror via an associated electrode. Electrical p... | 12/02/2008 |
| 7446929 | Photonic device including at least one electromagnetic resonator operably coupled to a state-change material Various aspects of the present invention are directed to photonic devices configured to control transmission of electromagnetic radiation through a resonator structure. In one aspect of the present invention, a photonic device includes at least one electromagnetic r... | 11/04/2008 |
| 7433564 | Optical device for optical communication An optical phase modulator made of lithium niobate or the like phase-modulates the output light of a single-wavelength laser light source 20 that emits CW light, and the phase-modulated light is inputted to a dispersion medium 22. The positive chirp an... | 10/07/2008 |
| 7301646 | Device and method for the determination of imaging errors and microlithography projection exposure system A device, a microlithography projection exposure system, and a method for the determination of imaging errors of an optical imaging system using a radiation-superposition measuring technique which operates with lateral phase offset, having an optical element arrange... | 11/27/2007 |
| 7301686 | Optically controlled optical-path-switching apparatus, and method of switching optical paths An optical signal optical path switching method comprising steps of using a thermal lens based on a distribution of refractive index produced reversibly caused by temperature increase generated in an area of the light-absorbing layer film of thermal lens forming dev... | 11/27/2007 |
| 7233739 | Optical bit stream reader system An all optical fiber bit stream reader system for examining the data contents of an optical fiber involving the conversion of a temporal timing signal into a spatially located signal is provided. The invention generally comprises generating and detecting a signal in... | 06/19/2007 |
| 7218653 | Wavelength conversion method and wavelength conversion element An ultraviolet laser is provided that increases the conversion efficiency of laser beams when harmonics having wavelengths of less than 355 nm are generated by converting laser beams with a wavelength conversion element made of a single crystal of lithium tetraborat... | 05/15/2007 |
| 7190509 | Optically addressed MEMS Optically controlled micro-electromechanical systems (MEMS) is disclosed. In one embodiment, a MEMS device may include a rotatable mirror having an optical sensor that is in electrical communication with the rotatable mirror via an associated electrode. Electrical p... | 03/13/2007 |
| 7163324 | Led light stick assembly A light emitting diode (LED) warning signal light, the warning signal light comprising a plurality of light sources constructed and arranged with a reflector or cullminator, the LED light source being in electrical communication with a controller and a power supply,... | 01/16/2007 |
| 7151625 | Spatial optical modulation element and spatial optical modulation method To provide a spatial optical modulation element having a long life free from a deterioration of optical modulation characteristics even if a high power laser beam with an ultra-short pulse is used as a modulation drive light, and having a high response speed when e.... | 12/19/2006 |
| 7106494 | Controlling resonant cells of a composite material An apparatus for controlling propagation of incident electromagnetic radiation is described, comprising a composite material having electromagnetically reactive cells of small dimension relative to a wavelength of the incident electromagnetic radiation. Each electro... | 09/12/2006 |
| 7088483 | Holographic spatial laser beam shaper and method A system and/or method for spatial beam shaping of an incident laser beam. The system and/or method includes a laser beam source for providing the incident laser beam and a Bragg grating (BG) coupled to receive the incident laser beam from the laser beam source. The... | 08/08/2006 |
| 7076120 | Optical pulse generator for return-to-zero signaling The specification describes an optical pulse generator in a return-to-zero format in which a phase-modulated (PM) optical signal is converted to intensity-modulated (IM) optical pulses using chromatic dispersion. Compared with Mach-Zehnder-modulator-based pulse gene... | 07/11/2006 |
| 7064674 | Replaceable LED modules A modular warning signal light system comprising at least one support. The at least one support having at least one module receiving port. The module receiving ports constructed and arranged to removably receive the support engagement member of a module. Each module... | 06/20/2006 |
| 7057786 | Electro-optic array interface A grating coupled surface plasmon resonance optical modulator is disclosed. A electro-optic polymer dielectric is deposited on the metallic surface of a diffraction grating to provide a metal/dielectric interface. A surface plasmon will propagate at the metal/dielec... | 06/06/2006 |
| 7045384 | Method for determining metal work function by formation of Schottky diodes with shadow mask A method of determining a work function of a metal to be used as a metal gate material provides a metal-on-silicon (MS) Schottky diode on a silicon substrate. The MS Schottky diode is formed by deposition of the metal in a single step deposition through a shadow mas... | 05/16/2006 |
| 7035498 | Ultra-fast all-optical switch array An all-optical switching array for switching a direction of optical signals is presented. The all-optical switching array includes a first substrate. Furthermore, the all-optical switching array includes a plurality of optical switches disposed on the first substrat... | 04/25/2006 |
| 7034811 | Image display system and method A method of displaying an image with a display device including a plurality of display pixels includes receiving image data for the image, the image data including individual pixels of the image; buffering the image data and creating a frame of the image, the frame ... | 04/25/2006 |
| 7003262 | Method and device for determining sideband ratio of superconduction mixer using comb generator The present invention provides a method and device for determining the sideband ratio of a superconducting mixer using a comb generator. The method includes the steps of: (a) tentatively adjusting the sideband ratio of a mixer for calibration of an output of the com... | 02/21/2006 |
| 6985373 | Binary beam steering device An element for steering electromagnetic beams. The element includes a phase change material in combination with dielectric and other layers in a multilayer optical stack. The phase change material that is reversibly transformable between two or more structural state... | 01/10/2006 |
| 6982819 | Electro-optic array interface A grating coupled surface plasmon resonance optical modulator is disclosed. A electro-optic polymer dielectric is deposited on the metallic surface of a diffraction grating to provide a metal/dielectric interface. A surface plasmon will propagate at the metal/dielec... | 01/03/2006 |
| 6928090 | Device and process for mode-locking a laser The invention relates to a device for a laser blocked-mode, especially for a pulsed laser, comprising a cavity resonator (20) which is defined by a first mirror (1) and a second mirror (8), and fitted with an amplifying active laser medium (5... | 08/09/2005 |
| 6914999 | Electro-optic modulators A low loss, low drive voltage plasmon-polariton electro-optic modulator based on mode cutoff comprises a waveguide structure formed by a thin metallic strip surrounded by material having a relatively low free charge carrier density. The metallic strip has finite wid... | 07/05/2005 |
| 6906839 | System and method for recovering phase information of a wave front A system and method for recovery of phase information from recorded intensity values is disclosed. In one aspect, a phase filter is placed in a plane, which may be the back focal plane (BFP) of a lens used for observing an object. The phase filter changes the phase ... | 06/14/2005 |
| 6900926 | Light induced strains in porous crystalline materials and uses thereof A piezoelectric device is disclosed, which includes a first element of porous crystalline material, a second element being attached to, or integrally formed with, the first element, and at least one electrode being in electrical contact with the first element, such ... | 05/31/2005 |
| 6882460 | Phase angle controlled stationary elements for long wavelength electromagnetic radiation An element for reflecting, transmitting, focusing, defocusing or wavefront correction of electromagnetic radiation in the terahertz frequency range. The elements include a grid of conductive strips including active regions comprising a chalcogenide phase change mate... | 04/19/2005 |
| 6873453 | Laser refraction system In one embodiment, a laser refraction system includes a refracting unit to refract light emitted from a laser. A refracting unit control procedure configures a charge on an OPC according to an image by sending a signal to the refracting unit to control refraction de... | 03/29/2005 |
| 6813063 | Exciton polariton optical switch A waveguide having a periodic structure and the excitation of exciton polariton as one form of interactions between radiation fields and matter systems are applied to light switching to provide an optical switch that is excellent in light intensity extinction ratio ... | 11/02/2004 |
| 6806996 | Optical switching system Provided is an optical switching system which is capable of being operated at a very high speed in a communication wavelength region and of meeting the various requests at a high grade by the provision of an optical switching system having such a construction that a... | 10/19/2004 |
| 6757094 | Optical shutter assembly The present invention pertains to an optical shutter comprising an photon-absorbing layer and a surface layer in a transparent state on at least one side of the photon-absorbing layer, wherein the optical shutter is characterized by the absorption of photons to chan... | 06/29/2004 |
| 6728019 | Optical gate and optical phase modulator An optical gate according to the invention comprises a polarization divider to divide an optical signal into two orthogonal polarization components and to output them as a first polarization component which precedes in the time base and a second polarization compone... | 04/27/2004 |
| 6728024 | Voltage and light induced strains in porous crystalline materials and uses thereof A piezoelectric device is disclosed, which includes a first element of porous crystalline material, a second element being attached to, or integrally formed with, the first element, and at least one electrode being in electrical contact with the first element, such ... | 04/27/2004 |
| 6721077 | Light emitting device addressed spatial light modulator An optically addressed spatial light modulator may be formed with an integrated light emitting device display. The light emitting device display may be formed of a size and cost that optimizes the overall modulator design. In addition, by integrating the modulator a... | 04/13/2004 |
| 6665111 | Laser beam steering system An array of devices for electronically steering a laser beam. A plurality of quantum well absorption modulators steer a laser beam, either reflective or transmissive, without moving parts and operable at room temperature. The foregoing is accomplished usi... | 12/16/2003 |
| 6650464 | Laser processing device and organic electroluminescent display panel using the same A laser processing device comprising: an optical system having a laser beam source, and an air-tight chamber provided separately from the optical system, wherein the chamber has a transparent portion for transmitting a laser beam emitted from the laser be... | 11/18/2003 |
| 6611367 | Surface plasmon optical modulator element A surface plasmon optical modulator element includes a dielectric material block disposed so that light-to-be-modulated travels through the interior of the dielectric material block and impinges upon one surface thereof at an angle of total reflection, a ... | 08/26/2003 |
| 6587252 | Photon modulation, distribution, and amplification system An optical communication device includes a first photon source emitting a first beam modulated with information. The first beam intersects a thin metal film and engenders a first surface plasmon wave thereon. Part of the first beam reflects from the metal... | 07/01/2003 |
| 6545816 | Photo-tunable liquid microlens An apparatus comprising a tunable liquid microlens that includes a transparent supporting layer and a transparent photoresponsive layer disposed on a first surface of the supporting layer. A droplet of a transparent liquid is disposed on the photoresponsi... | 04/08/2003 |
| 6545790 | System and method for recovering phase information of a wave front A system and method for recovery of phase information from recorded intensity values is disclosed. In one aspect, a phase filter is placed in a plane, which may be the back focal plane (BFP) of a lens used for observing an object. The phase filter changes... | 04/08/2003 |
