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US20090304033 |
LASER FOR GENERATING MULTIPLE WAVELENGTHS
A laser comprising: a first reflector and a second reflector defining a first resonator cavity; a third reflector defining a second resonator cavity with the first reflector; a laser material...
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US20090296752 |
MULTIPLE EMITTER VECSEL
An extended cavity surface emitting laser has a first laser die with a first cavity and a first gain element and a second laser die with a second cavity and a second gain element. The first and...
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US20090296756 |
Laser Frequency Multiplier with Temperature Control
Disclosed is a laser apparatus. The apparatus includes a frequency multiplier to multiply a first frequency of laser radiation to a second frequency, the frequency multiplier having a temperature...
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US20090296018 |
Light-Emitting Device
A light-emitting device, comprising: a radiation source ( 5 ), which emits radiation having a first wavelength, an optical waveguide ( 10 ), into which the radiation emitted by the radiation source...
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US20090296755 |
Laser system
A method and apparatus may comprise a laser light source system which may comprise a solid state laser seed beam source providing a seed laser output; a frequency conversion stage converting the...
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US20090290605 |
Compact, Efficient and Robust Ultraviolet Solid-State Laser Sources Based on Nonlinear Frequency Conversion in Periodically Poled Materials
A compact and efficient ultraviolet laser source based on a optically-pumped solid-state or fiber laser that produces near-infrared output light suitable for nonlinear frequency conversion. The...
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US20090290606 |
MODE-LOCKED EXTERNAL-CAVITY SURFACE-EMITTING SEMICONDUCTOR LASER
A laser resonator includes an OPS gain-structure that is pumped with optical pulses repeatedly delivered at a pulse-repetition frequency corresponding to a resonant frequency of the laser...
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US20090285250 |
Rotary Disk Laser and Amplifier Configurations
There is provided a rotary disk laser module including disk comprised of at least one lasing material. The lasing material may be excited by a laser excitation source, such as an optical pump beam...
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US20090285248 |
UV LIGHT GENERATION BY FREQUENCY CONVERSION OF RADIATION OF A RUBY LASER PUMPED WITH A SECOND HARMONIC OF A SOLID-STATE LASER
A system and method for generating ultraviolet laser radiation by pumping a ruby based active laser medium in a second complex laser cavity with an output from a first complex laser cavity. The...
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US20090279575 |
CARRIER SUBSTRATE FOR MICRO DEVICE PACKAGING
A carrier substrate ( 100 ) with laser sources includes a transparent center substrate ( 20 ), an upper substrate ( 30 ) adhered to the center substrate having openings ( 40 ) formed therein to...
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US20090279017 |
WAVELENGTH CONVERSION MODULE, LASER LIGHT SOURCE DEVICE, TWO DIMENSIONAL IMAGE DISPLAY DEVICE, BACKLIGHT LIGHT SOURCE, LIQUID CRYSTAL DISPLAY DEVICE AND LASER PROCESSING DEVICE
A wavelength conversion module includes: a first fundamental wave propagation optical fiber for propagating a fundamental wave emitted from a laser light source; a first wavelength conversion...
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US20090279573 |
FIBER LASER AND OPTICAL DEVICE
A fiber laser and an optical device for controlling polarization and outputting single polarized light are provided in a simple structure. The fiber laser includes a solid-state laser fiber 3 ...
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US20090274177 |
TURNABLE LASER DEVICE
A laser apparatus includes a first surface-emitting laser device having an active region including at least one group of two or more quantum wells configured to generate photons and having an...
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US20090274178 |
Optical Package Having Deformable Mirrors For Focus Compensation
An optical package includes a semiconductor laser, an adjustable mirror and a wavelength conversion device comprising a waveguide portion. The semiconductor laser, adjustable mirror, and wavelength...
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US20090268763 |
Frequency Stabilized Laser Source
A laser arrangement is provided, in which a Lyot filter arrangement is operative to effect single mode operation. The birefringent element of the Lyot filter arrangement has a cavity folding mirror...
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US20090262763 |
LARGE-SIZED BISMUTH-ZINC-BORATE NONLINEAR OPTICAL CRYSTAL AND PREPARATION METHODS AND APPLICATIONS THEREOF
The present invention relates to a large-sized and high-quality bismuth-zinc-borate (Bi 2 ZnB 2 O 7 ) single crystal, preparation methods and applications thereof. The crystal has cross-sectional...
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US20090257463 |
LASER LIGHT SOURCE, IMAGE DISPLAY APPARATUS, AND PROCESSING APPARATUS
A laser light source includes a fundamental laser generator that generates a fundamental laser light, a wavelength conversion element that is made of a ferroelectric crystal with a periodically...
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US20090257462 |
Laser device, laser display device, and laser irradiation device
The present invention provides a laser device having a high wavelength conversion efficiency and a wide wavelength width, and is suitable as a display light source. The laser device includes a...
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US20090252185 |
Laser light source device, illumination device, image display device, and monitor device
A laser light source device includes: a light source; an external resonator; a wavelength conversion element converting the wavelength of part of incident light having the first wavelength into the...
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US20090252184 |
LASER OSCILLATOR AND LASER PROCESSING APPARATUS
A laser oscillator of a laser processing apparatus includes a pair of terminating mirrors, between which a straight light path lies, and also includes a ¼ wavelength plate, an active medium, a...
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US20090245294 |
Fibre Laser with Intra-cavity Frequency Doubling
The invention disclosed herein relates to fibre lasers with intra-cavity frequency doubling. In one embodiment, the invention is directed to a fibre laser with intra-cavity frequency doubling...
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US20090245298 |
HYBRID SILICON LASER-QUANTUM WELL INTERMIXING WAFER BONDED INTEGRATION PLATFORM FOR ADVANCED PHOTONIC CIRCUITS WITH ELECTROABSORPTION MODULATORS
Photonic integrated circuits on silicon are disclosed. By bonding a wafer of compound semiconductor material as an active region to silicon and removing the substrate, the lasers, amplifiers,...
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US20090238222 |
LASER SYSTEM EMPLOYING HARMONIC GENERATION
A laser system provides harmonic generation in a laser beam pulse. In another aspect of the present invention, a laser operably remits a laser pulse, a gaseous optical medium operably creates third...
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US20090238220 |
REDUCTION OF SURFACE HEATING EFFECTS IN NONLINEAR CRYSTALS FOR HIGH POWER FREQUENCY CONVERSION OF LASER LIGHT
A device for generating a high power frequency converted laser beam includes a nonlinear optical crystal having an entrance surface and a curved surface. The nonlinear optical crystal is configured...
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US20090238221 |
Laser equipment
Laser equipment for outputting output lights having different wavelengths includes: a substrate; an excitation light generation element for emitting excitation lights including surface emitting...
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US20090238217 |
Method and apparatus for wavelength tuning laser diodes
A method is presented for shaping the spectral response of volume holographic grating elements by applying controlled thermal energy. The methods allow generating continuous or discontinuous...
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US20090232169 |
WAVELENGTH CONVERTING LASER DEVICE
A wavelength converting laser device includes a laser diode producing laser light and including an optical resonator having a pair of facing reflectors, including a reflecting surface having a...
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US20090232170 |
Semiconductor Laser Module
A semiconductor laser module is disclosed, comprising a module carrier ( 20 ) having a mounting area ( 21 ), a pump device ( 1 ) arranged on the mounting area ( 21 ), a surface emitting...
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US20090225798 |
Optical apparatus and method
An optical apparatus comprising a gain medium exhibiting polarisation dependent absorption along two axes, the gain medium having a weakly absorbing axis and a strongly absorbing axis, an optical...
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US20090225797 |
Semiconductor laser component , optical device for a semiconductor laser component, and method for producing an optical device
A semiconductor laser component comprising a semiconductor laser chip ( 1 ) provided for generating radiation and an optical device comprising a carrier ( 7 ), a radiation deflecting element ( 8 )...
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US20090219958 |
WAVELENGTH CONVERTING LASER AND IMAGE DISPLAY
A wavelength converting laser includes: a fundamental-wave laser light source emitting a fundamental wave; and a wavelength conversion element converting the fundamental wave emitted from the...
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US20090219957 |
Radio-Frequency-Modulated Surface-Emitting Semiconductor Laser
In a surface emitting semiconductor laser comprising a semiconductor chip ( 1 ), a first resonator mirror ( 4 ) and at least one further resonator mirror ( 8 ) which is arranged outside the...
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US20090213881 |
Vertically Emitting, Optically Pumped Semiconductor Comprising an External Resonator and Frequency Doubling on a Separate Substrate
An optically pumped semiconductor apparatus having a surface-emitting semiconductor body ( 1 ) which has a radiation passage area ( 1 a ) which faces away from a mounting plane of the semiconductor...
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US20090201954 |
METHOD AND APPARATUS FOR PULSED HARMONIC ULTRAVIOLET LASERS
An apparatus for producing coherent, pulsed ultraviolet light with pulse durations that range between 1 ps and 1 μs includes one or more source lasers in the visible or near-infrared frequency...
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US20090196314 |
Method and System for a Semiconductor Laser Light Source
A laser module includes a Distributed Bragg Reflector semiconductor laser light source that is operable to generate a light beam having a stabilized frequency and spatial mode. A periodically...
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US20090185588 |
METHOD AND APPARATUS FOR PRODUCING ARBITRARY PULSETRAINS FROM A HARMONIC FIBER LASER
A system for producing frequency converted light includes a first seed laser operable to provide a first laser signal and a second seed laser operable to provide a second laser signal. The system...
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US20090185587 |
LASER GENERATOR AND METHOD OF CONTROLLING THE SAME
A laser generator includes a generation means for pumping by a pumping light source ( 7 ) a pumping medium ( 3 ) to generate a fundamental-wave laser beam, an output sensor ( 6 ) for measuring...
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US20090161704 |
INTRACAVITY UPCONVERSION LASER
The present invention relates to an upconversion laser system comprising at least a semiconductor laser having a gain structure ( 4 ) arranged between a first mirror ( 5 ) and a second mirror ( 6...
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US20090161703 |
SUM-FREQUENCY-MIXING Pr:YLF LASER APPARATUS WITH DEEP-UV OUTPUT
A method for generating ultraviolet radiation includes sum-frequency mixing in one optically nonlinear crystal fundamental-wavelength radiation generated by a Pr:YLF gain-element with radiation...
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US20090154507 |
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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US20090154508 |
LIGHT-GENERATING APPARATUS WITH BROADBAND PUMPING LASER AND QUASI-PHASE MATCHING WAVEGUIDE
A light-generating apparatus comprises a broadband pumping laser configured to emit a broadband pumping light having a bandwidth larger than 10 nanometers and a broadband wavelength-converting...
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US20090154510 |
Optoelectrical assembly with frequency-doubled solid state laser
An optoelectrical assembly ( 1 ) has a modular frequency-doubled solid state laser ( 2 ), which is fixed so as to be aligned therein, with an optical resonator ( 3 ) which is connected in a...
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US20090154509 |
Laser Processing Apparatus, Method For Making Settings For The Laser Processing Apparatus, Program For Making Settings For The Laser Processing Apparatus, and Computer-Readable Recording Medium
It is an object to enable control according to an optimum temperature condition for a wavelength conversion device. There are provided a laser medium for creating fundamental-wave laser light with...
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US20090141749 |
LASER MODULE
A laser module including a light emitter, a filter, a nonlinear optical crystal, a first temperature adjuster, and a second temperature adjuster is provided. The light emitter emits a first beam....
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US20090110013 |
Multi-component wavelength conversion devices and lasers incorporating the same
According to one embodiment of the present invention, a frequency-converted laser source is provided wherein the wavelength conversion device comprises a plurality of waveguide components...
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US20090103576 |
System and Method of Providing Second Harmonic Generation (SHG) Light in a Single Pass
A system and method of providing second harmonic generation (SHG) light in a single pass. A frequency stabilized semiconductor seed laser provides a first frequency light to a fiber amplifier. A...
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US20090083679 |
Efficient Second Harmonic Generation (SHG) Laser Design
A method, a data processing method, and a computer program product for the design of efficient second harmonic generation semiconductor lasers is disclosed. A method for determining an optimum...
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US20090080475 |
WAVELENGTH CONVERSION OPTICAL ELEMENT, METHOD FOR FABRICATING WAVELENGTH CONVERSION OPTICAL ELEMENT, WAVELENGTH CONVERSION DEVICE, ULTRAVIOLET LASER IRRADIATOR AND LASER MATERIAL PROCESSING SYSTEM
An optical wavelength conversion element includes a cesium-lithium-borate crystal processed into a 10-mm long optical element cut in an orientation that allows a fourth harmonic of a Nd:YAG laser...
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US20090074016 |
Apparatus for Terahertz wave generation from water vapor
Apparatus for Terahertz wave generation. An amplified laser generates a pulsed optical fundamental beam and a crystal passes the fundamental beam to generate a second harmonic beam of the...
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US20090059116 |
LASER APPARATUS
The present invention comprises: a laser light source 101 operable to output a laser light; an optical component 114 operable to couple, to an optical fiber 126 , the laser light outputted...
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