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7612935 |
Third-order optical autocorrelator for time-domain operation at the telecommunication wavelengths
A device and method for producing a third harmonic signal from an optical pulse of wavelength k. In the device and method, an optical pulse at a wavelength k is incident on a material including at...
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7612934 |
Nonresonant multiple pass nonlinear structure
A system, a structure, and a method for the generation of second harmonic light are provided. A laser system comprises a seed laser that produces a fundamental frequency light, and a nonresonant...
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7605973 |
Optical wavelength conversion light source
An allowable temperature range satisfying phase matching conditions of a wavelength conversion device is widened. A wavelength conversion light source includes a semiconductor laser diode device (...
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7588743 |
Cesium-rubidium-borate nonlinear optical crystal and its growth method and applications
The present invention provides a cesium-rubidium-borate nonlinear optical crystal, which is represented by the chemical formula Cs x Rb 1−x B 3 O 5 (0<x<1), and belongs to the P2 1 2 1 2 1...
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7583431 |
Wavelength conversion optical device, laser light source, and image display optical device
A wavelength conversion optical device is provided with a fundamental wave light source ( 301 ) which outputs a fundamental wave (L 11 ) including a P polarized light and an S polarized light that...
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7542491 |
Wavelength converter and two-dimensional image display device
The present invention aims to provide a wavelength converter capable of stably obtaining a W-class high-output green laser beam and a 2D image display device using this wavelength converter. By...
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7538936 |
Pulse laser beam generating device
To induce a targeted non-linear optical effect by a high-peak-power light by using a light pulse from a semiconductor laser without using a light pulse from a large, high-average-power solid laser...
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7535627 |
Optical antenna array for harmonic generation, mixing and signal amplification
An optical antenna collects, modifies and emits energy at light wavelengths. Linear conductors sized to correspond to the light wavelengths are used. Nonlinear junctions of small dimension are used...
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7522791 |
Method for fabricating polarization reversal structure and reversal structure
When a domain inversion part is produced by means of electric field polling process, damage in the vicinity of the forward end of a comb electrode and deviation of width of each domain inversion...
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7518786 |
Power stabilization of semiconductor laser harmonic frequency conversion modules
The invention relates to a fiber laser and harmonic frequency conversion module incorporating a 90 degree Polarization Maintaining (PM) fiber fusion splice therebetween for providing temperature...
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7518784 |
Apparatus and method of producing quantum-entangled, up-converted light beams
A single cavity may be used to produce up-converted, quantum-entangled beams relying on the common field of the pumping energy stimulating to up-converting material to produce the quantum...
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7515330 |
Metamaterial structures for light processing and method of processing light
A metamaterial structure for light processing includes a light guide and a composite resonant electromagnetic (EM) structure having a resonant frequency. The composite resonant EM structure is...
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7511880 |
Semiconductor light source module
The present invention provides a semiconductor light source module including: a semiconductor light source for emitting a light flux with a predefined wavelength; a SHG element for converting an...
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7511879 |
Light source device and projector
A light source device includes a light source having a plurality of light emitting sections, a plurality of wavelength conversion elements each having a periodic polarization inversion structure,...
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7511878 |
Wavelength conversion element with quasi-phase matching structure
A wavelength conversion element with a Quasi-Phase Matching structure which can suppress the ripples of fluctuation pulse waveforms of a change efficiency in a frequency band of the waveform...
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7489437 |
Fiber laser red-green-blue (RGB) light source
An RGB light source that uses an optical fiber laser to generate a near-infrared (NIR) output light beam, and a wavelength conversion system that receives the output NIR light beam and forms...
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7486432 |
Method for preparing a periodically poled structure
A method for preparing a periodically poled structure according to this aspect of the present invention comprises the steps of providing a ferroelectric substrate and performing a poling process by...
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7483609 |
Image wavelength conversion device, method of manufacturing the device, and image conversion system using the device
An image wavelength conversion device for converting an infrared light image into a visible light, a method of manufacturing the device, and an image conversion system using the device are...
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7460569 |
Solid state UV laser
An apparatus ( 10 a ) for scanning a light beam ( 16 ) through a crystal arrangement ( 22 ) that has a first frame member ( 28 ), a first support member ( 24 ) to support a first optical element (...
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7457030 |
Wavelength conversion device
The energy conversion efficiency from light that is to be converted to converted light of a wavelength conversion device is adjusted so as always to be kept stably at a maximum. The wavelength...
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7453625 |
Method of producing domain inversion parts and optical devices
A comb electrode 3 is provided on a first main face 2 a and a uniform electrode 4 is provided on a second main face 2 b of a substrate made of a ferroelectric single crystal of a single...
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7437083 |
Wavelength converter
A wavelength converter for binary optical signals includes an interferometer structure ( 110 ) for generating an output signal by modulating a received local signal (LS) according to the modulation...
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7423802 |
Illumination module
An illumination module may provide light in a plurality of colors including Red-Green-Blue (RGB) light and/or white light. The light from the illumination module may be directed to a 3LCD system, a...
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7413430 |
Crystal base plate and pressing device
The upper block 12 contacts the bearing block 20 , and the bearing block 20 is coupled to the upper plate 21 . The upper block 12 has a protruding part 22 on the upper surface that is...
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7403327 |
Wavelength conversion element having multi-gratings and light generating apparatus using said element, and wavelength conversion element having cylindrical ferroelectric single crystals and light generating apparatus using said element
A wavelength conversion element having multi-gratings free from damage propagation and a light generating apparatus using it, and a wavelength conversion element having multi-gratings to make a...
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7397598 |
Light source unit and light irradiation unit
In nonlinear optical crystal 183 D, each step of wavelength conversion can be performed using another fundamental wave that is output from light output unit 161 2 , without using the fundamental...
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7396476 |
Method for reducing harmonic distortion in comb drive devices
Methods of fabricating comb drive devices utilizing one or more sacrificial etch-buffers are disclosed. An illustrative fabrication method may include the steps of etching a pattern onto a wafer...
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7394588 |
Wavelength converter structure and method for preparing the same
A wavelength converter structure according to one aspect of the present invention comprises a ferroelectric substrate, a ridge positioned on the ferroelectric substrate, a plurality of first...
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7388709 |
Multiple path infrared energy source
A multiple path light source has a first and second laser source that generate low power continuous wave laser beam at wavelength λ1 and λ2 respectively. A pump laser source generates a high...
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7385752 |
Disposal of residual radiation from a frequency-conversion process
A frequency-conversion arrangement including one or more optically nonlinear crystals is located in an enclosure. Radiation residual from the frequency conversion is directed into an optical fiber...
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7382523 |
Beam-guiding and/or frequency-converting optical system and method for producing the same
The present invention relates to a beam-guiding and/or frequency-converting optical system as well as to a method of manufacturing same, wherein a beam-emitting optoelectronic component ( 1 ),...
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7379677 |
Method of wavelength conversion and wavelength converter
The wavelength converter comprises (1) an optical multiplexer for multiplexing an amplitude-modulated first light and reference light, which is continuous light having a wavelength different from...
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7378636 |
Method of evaluating non-linear optical crystal and device therefor and wavelength conversion method and device therefor
A method of evaluating a non-linear optical crystal used for non-linear wavelength conversion of laser beam which enables the non-linear optical crystal to be evaluated before the crystal is...
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7372621 |
Wavelength converting devices
A wavelength converting device 1 has a ferroelectric layer 6 made of a ferroelectric material. The ferroelectric layer has a wavelength converting portion A having a ridge-type optical...
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7339720 |
Frequency multiplied optical electronic oscillator
The present invention is directed to systems and methods which provide a widely tunable, low-noise, synthesized microwave source with an OEO oscillator.
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7330299 |
Optical amplifying arrangement using carbon nanotubes
A method of using a carbon nanotube assembly comprising: arranging a signal responsive array of nanotubes on a substrate, and heterodyning a signal processed by the array of nanotubes on the...
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7327768 |
Wavelength conversion module
A wavelength conversion module according to the present invention includes an external resonator, a semiconductor laser module and a wavelength conversion device for converting a wavelength of...
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7310183 |
Diffractive outcoupler for second harmonic generation
A diffractive outcoupler, for use in a cavity of a laser, includes a surface phase grating for receiving radiation from a laser source and has rectangular grooves with a depth D, a first reflector...
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7291293 |
Vapor deposited electro-optic films self-assembled through hydrogen bonding
The present invention introduces a novel route toward microstructural orientation into organic films, using multiple hydrogen-bonding to self-assemble chromophore molecules into electro-optic films...
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7289261 |
Design of quasi-phasematched optical frequency converters
Quasi-phasematching design to provide an approximation to a desired spectral amplitude response A(f) is provided. An initial phase response φ(f) corresponding to A(f) is generated. Preferably, d 2...
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7286282 |
Wavelength conversion method, wavelength conversion laser, and laser beam machining apparatus
A fundamental laser beam is wavelength converted through nonlinear optical crystals by traveling in one direction, sequentially through two nonlinear optical crystals arranged in series. A...
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7277220 |
Ultraviolet laser apparatus and exposure apparatus using same
A laser apparatus including a laser generating portion that generates pulse light having a single wavelength within a range from an infrared band to a visible band. An optical amplifier is...
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7265897 |
Amplitude modulation for quasi-phasematched nonlinear optical frequency converters
Quasi-phasematching design to provide an approximation to a desired spectral amplitude response A(f) is provided. An initial phase response φ(f) corresponding to A(f) is generated. Preferably, d 2...
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7261778 |
Method of producing quasi phase-matching crystal and quasi phase-matching crystal
Rectangular protruding parts 2 are formed on the surface of one side of a quartz crystal substrate 1 ; these protruding parts 2 are formed as aggregates of rectangular protruding parts 4 of...
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7259903 |
Optical switching arrangement using carbon nanotubes
An optical antenna collects, modifies and emits energy at light wavelengths. Linear conductors sized to correspond to the light wavelengths are used. Nonlinear junctions of small dimension are used...
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7209282 |
Cascaded difference frequency generator using resonant structure
Provided is a resonant cascaded difference frequency generator that is capable of improving the conversion efficiency of the second-order nonlinear optical phenomena by resonating the second...
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7198738 |
Cesium-lithium-borate crystal and its application to frequency conversion of laser light
The present invention provides a cesium-lithium-borate crystal, which can be used as a high-performance wavelength converting crystal, having a chemical composition expressed as CsLiB6O10, and...
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7184616 |
Method and apparatus for fiber Bragg grating production
Fiber Bragg writing devices comprising solid state lasers are provided. The solid state lasers comprise optical parametric oscillators and emit moderate peak-power output beams at wavelengths which...
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7173755 |
High-efficiency multiple-pass nonlinear optical wavelength converter with an electro-optic phase compensator and amplitude modulator
A high-efficiency multiple-pass nonlinear wavelength converter and amplitude modulator employs a variable dispersion element between adjacent passes of a nonlinear wavelength conversion process in...
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7158284 |
Apparatus and methods of using second harmonic generation as a non-invasive optical probe for interface properties in layered structures
A method for non-invasively probing at least one interface property in a layered structure having at least one interface. In one embodiment, the method includes the steps of exposing the layered...
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