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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...
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7999983 |
Lens material, optical electronic component and optical electronic device
An optical material includes lithium tantalate, and a molar composition ratio of lithium oxide and tantalum oxide (Li2O/Ta2O5) in the lithium tantalate is in the range of 0.975 to 0.982. Since an...
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7911605 |
Multivariate optical elements for optical analysis system
A method of developing a multivariate optical element for an optical analysis system includes forming an optically absorptive spectral element having an optically absorptive material, the optically...
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7768687 |
Photoelastic modulator
A photoelastic modulator, comprising a driving block and a driver transducer for perturbing said block in a predefined direction to establish a standing wave extending longitudinally in said block...
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7745788 |
Optical trapping with a semiconductor
A method and apparatus are disclosed for forming an optical trap with light directed through or above a semiconductor material. A preferred embodiment selected light-trapping wavelengths that have...
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7709798 |
Terahertz optical gate
This invention relates to a wide band optical gate in the terahertz domain (wavelengths in the far infrared). It comprises a first optical source (2) emitting a first beam (FTHz) in said terahertz...
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7646524 |
Photoconductive metamaterials with tunable index of refraction and frequency
Materials and structures whose index of refraction can be tuned over a broad range of negative and positive values by applying above band-gap photons to a structure with a strip line element, a...
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7561758 |
Scanning module and the method thereof
The present invention relates to a scanning module, which is capable of integrating optical paths of illuminating and imaging for size reduction, and improving the quality of scanned image by using...
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7545014 |
Three-dimensional resonant cells with tilt up fabrication
A composite material for providing at least one of a negative effective permeability and a negative effective permittivity for incident radiation of at least one wavelength is described. The...
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7528940 |
System and method for inspecting an object using an acousto-optic device
A system and method for inspecting an object. The system includes: a traveling lens acousto-optic device adapted to generate a traveling lens that propagates through an active region of the...
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7505693 |
Miniature waveform modulator with full pulse by pulse timing control
A miniature waveform modulator is provided to modulate an infrared laser. The miniature waveform modulator outputs a pulse train having different and specified pulse widths, with the pulse train...
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7495369 |
Broadband imager
A sensor comprises a transducer substrate formed of a photo-acoustically sensitive material and having a receiving surface and an absorptive layer coupled to the transducer substrate receiving...
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7495815 |
Electro-optical modulator
An electro-optical modulator device and method are provided. The device comprises a light modulator unit having a first Cathode for exposing to input light; and an electric field source configured...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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6750999 |
Reconfigurable quasi-optical unit cells
A quasi-optical system is provided. More specifically, a quasi-optical system is provided comprising various embodiments of quasi-optical grids (such as arrays or layers and the like) with...
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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...
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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...
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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...
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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...
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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...
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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...
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6525863 |
Multi-technology multi-beam-former platform for robust fiber-optical beam control modules
This invention pertains to a basic multi-technology application of cascaded beam-formers. A dual MEMS-EO technology platform method involving a two axis deflection micro-mirror cascaded with a...
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6522448 |
Optical element
An optical element has a small reflection loss of light on a boundary surface between a photonic crystal and the normal medium. The optical element includes: a normal medium region having a first...
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6511191 |
Optical switch system and method for aligning optical axis therein
In an optical switch system for switching over plural input lights and plural output lights corresponding thereto through spatial optical connection therebetween, having: a first reflection mirror...
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6452710 |
Optical element, optical control method and device using this optical element, and method of manufacturing optical element
An optical element, optical control device and optical control method are provided which demonstrate a large, rapid optical response using a laser light of low output as a control light. A signal...
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6384960 |
Photoactivated method and device for broadband limitation of a luminous flux
The invention relates in particular, to the area of devices or systems whose optical operation is modified by changing the optical properties of the medium of which they are formed and that are...
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6215546 |
Method of optical correction for improving the pattern shrinkage caused by scattering of the light
The present invention discloses a method of optical correction for improving the pattern shrinkage caused by scattering of the light during photolithography processes, wherein the patterns on...
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6037968 |
Scanned marking of workpieces
A technique for marking pixels on workpieces by routing a scanned beam to different marking stations to mark individual pixels on the workpieces. A diffractive scan lens focuses the beam. A mark is...
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6028723 |
Protecting eyes and instruments from short pulse laser radiation
A lens system for protecting high gain optical systems (eyes or equipment) from high intensity laser radiation includes a second mirror disposed on an exit lens, a first mirror formed by half...
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5917646 |
Rotatable lens transmissive twisting ball display
A combination of an optically transmissive dielectric fluid having a first refractive index and an optically anisotropic particle rotatably disposed in the fluid is provided. The particle has at...
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5847815 |
Monostatic lidar system
This monostatic LIDAR system is a pulsed-radiation LIDAR system comprising, for the separation of the laser emitter beam from the laser echo backscattered by the photodetector of the receiver, an...
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5825497 |
Device for measuring height of object
An object surface height measuring device with two acousto-optical modules for refracting light from a light emitter with predetermined refractive indices depending on frequency modulation so that...
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5811507 |
Polyesterimides for use in linear and/or non-linear optics, and one method for preparing same
The present invention relates to a new polyesterimide of the type containing ester repeat functional groups E=--CO--O--, imide repeat functional groups I: ##STR1## and at least one chromophore,...
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5805327 |
Reshaping device for optical short pulses
There is disclosed a reshaping device for optical short pulses to effectively perform reshaping of and eliminate noise from an optical short pulse of a pulse width of pico second order less than a...
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5764826 |
PD/LD module and PD module
Bidirectional optical communication system transmits optical signals with two different wavelengths λ1 and λ2 (λ1 <λ2) between a broadcasting station and a plurality of ONU terminals. Bisecting sep...
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5739947 |
Nonlinear optical power limiter using self-trapping of light
Incident radiation is focussed by a lens into a non-linear optical material whose index of refraction increases with increased radiation intensity. For normal radiation, the radiation freely passes...
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5729375 |
Optical amplification system with non-orthogonal signal and distributed multi-pump beams and photorefractive cleanup
An optical amplification system directs a diffraction-limited signal beam through a series of crossings, at substantially less than 90° crossing angles, with a number of non-diffraction-limited ...
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