|
Match
|
Document |
Document Title |
|
|
7627008 |
Laser apparatus and method for harmonic beam generation
A second harmonic laser beam is generated by passing a fundamental frequency laser beam through a single second harmonic generator (SHG) crystal more than two and preferably four times, to increase...
|
|
|
7627007 |
Non-critical phase matching in CLBO to generate sub-213nm wavelengths
A laser illuminator and illumination method for use in an inspection system, such as a semiconductor wafer inspection system or photomask inspection system is provided. The design comprises...
|
|
|
7623559 |
Optical device, laser beam source, laser apparatus and method of producing optical device
After forming domain inverted layers 3 in an LiTaO 3 substrate 1 , an optical waveguide is formed. By performing low-temperature annealing for the optical wavelength conversion element thus...
|
|
|
7623558 |
Optical systems for laser arrays
Surface emitting laser arrays with intra-cavity harmonic generation are coupled to an optical system that extracts harmonic light in both directions from an intra-cavity nonlinear optical material...
|
|
|
7623557 |
Wavelength converting optical system, laser light source, exposure apparatus, mask examining apparatus, and macromolecular crystal lens machining device
A fifth harmonic wave is formed from a fundamental wave of p-polarized light via a second harmonic wave forming optical element 3 , a third harmonic wave forming optical element 4 , and a fifth...
|
|
|
7623556 |
Device for multiplying optical frequencies
An optical cavity is combined with non-linear optical crystals and a laser source to generate light radiation at a frequency about 1.5 times the frequency of the initial laser source while having a...
|
|
|
7620088 |
Surface emitting-semiconductor laser component featuring emission in a vertical direction
A surface-emitting semiconductor laser component, in particular an electrically pumped semiconductor laser component, featuring emission in a vertical direction. The component is provided for the...
|
|
|
7620079 |
Wavelength converter apparatus
A compact apparatus is provided for stably converting a wavelength of a laser diode with the use of an optical fiber and a wavelength selective device. Employing a bulk type element as a wavelength...
|
|
|
7616671 |
Light source device, control method therefor, lighting device, monitor device, and image display device
A light source device includes a light source for emitting a laser beam, a power supply drive circuit for pulse-driving the laser beam, a wavelength conversion element for converting a wavelength...
|
|
|
7616670 |
Laser light source apparatus and image generating apparatus using laser light source apparatus
Disclosed is a laser light source apparatus including an excitation light source, a pair of resonator mirrors, and a resonator including the excitation light source and the pair of resonator...
|
|
|
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 (...
|
|
|
7602824 |
Device and method for supplying short-wavelength light
The present invention broadly comprises a device for supplying light at an illumination wavelength shorter than 300 nm. The device includes a first subassembly, having a light source for delivering...
|
|
|
7599415 |
Light source device, lighting device, monitor device, and projector
A light source device includes a light source section for supplying a laser beam, a wavelength conversion element for converting a wavelength of the laser beam from the light source section, a...
|
|
|
7599410 |
Semiconductor-diode-pumped solid state laser device
A solid state laser medium is composed of Nd:YAG, the wavelength of a second harmonic wave is 557 to 559 nm and a free spectral range of a solid etalon falls in any of the values of a range A of...
|
|
|
7599409 |
Electromagnetic wave generating device
An electromagnetic wave generator encompasses a first pump beam emitter ( 2 ) configured to emit a first pump beam (hv 1 ) having a wavelength larger than one micrometer; a second pump beam emitter...
|
|
|
7599408 |
Tunable narrow linewidth laser source
A tunable laser source has a first laser source to generate a low power continuous wave laser light having a wavelength λ 1 . A second laser source generates a low power continuous wave laser...
|
|
|
7593440 |
MOPA laser apparatus with two master oscillators for generating ultraviolet radiation
Laser apparatus including two different, pulsed MOPAs, one having a fundamental wavelength of 1064 nm and the other having a fundamental wavelength of 1564 nm, provide trains of optical pulses. The...
|
|
|
7593439 |
Laser diode-pumped monolithic solid state laser device and method for application of said device
An intracavity-doubled laser device, includes a pumping laser-diode, a Nd:YAG amplifying medium stimulated by a laser beam with a fundamental wavelength emitted by the laser diode, the output face...
|
|
|
7593438 |
Driving method for laser light source device, laser light source device, image display device, monitor device, and illumination device
A driving method for laser light source device includes: providing a laser light source device including a laser light source, a wavelength conversion element converting the wavelength of the light...
|
|
|
7593437 |
MOPA laser apparatus with two master oscillators for generating ultraviolet radiation
Laser apparatus including two different, pulsed MOPAs, one having a fundamental wavelength of 1064 nm and the other having a fundamental wavelength of 1547 nm, provide trains of optical pulses. The...
|
|
|
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...
|
|
|
7586971 |
External-cavity laser light source apparatus and laser light emission module
An external-cavity laser light source apparatus includes a plurality of laser light emission modules, each including a first mirror, a second mirror reflecting fundamental wave light toward the...
|
|
|
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...
|
|
|
7576908 |
Fiber device, wavelength converter and image forming apparatus
The present invention concerns a fiber device capable of shifting an oscillation wavelength of a fundamental wave of a laser emitted therefrom, and is provided with a laser cavity including a fiber...
|
|
|
7573920 |
Vertical external cavity surface emitting laser
Provided is a Vertical External Cavity Surface Emitting Laser (VECSEL). The VECSEL includes a semiconductor chip, a pump laser, a narrow bandwidth polarization filter, an external mirror, and a...
|
|
|
7570677 |
Optical device, laser beam source, laser apparatus and method of producing optical device
After forming domain inverted layers 3 in an LiTaO 3 substrate 1 , an optical waveguide is formed. By performing low-temperature annealing for the optical wavelength conversion element thus...
|
|
|
7570676 |
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...
|
|
|
7570419 |
Quantum entanglement photon-pair producing device and quantum entanglement photon pair producing method
In one embodiment of the present invention, a quantum entangled photon-pair producing device is disclosed which includes a superposed state generating device for generating a superposed state of...
|
|
|
7567595 |
Laser source with interdigital heater electrodes and underlying current confinement layer
A semiconductor laser source is provided wherein the wavelength selective section of the laser diode comprises a P+ type current confinement layer and first and second sets of interdigital heater...
|
|
|
7567594 |
Stabilization of actively Q-switched lasers
The invention discloses an actively Q-switched laser with an intracavity nonlinear coupler in which a stable optical frequency converted output is generated. A Gain Fluctuation Insensitivity...
|
|
|
7564890 |
Laser equipment
A laser equipment for outputting output lights having different wavelengths includes: a substrate; an excitation light generation element for emitting excitation lights including surface emitting...
|
|
|
7561604 |
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...
|
|
|
7557985 |
Light emitting device
A light emitting device includes a first unit having a first excitation light source including a laser element emitting blue wavelength band excitation light, and a first wavelength converting...
|
|
|
7551654 |
Coherent light source and optical system
In a coherent light source in which limitations on the wavelength of emitted light are relaxed, a coherent light source for simultaneously emitting a first light ( 3 ) and a second light ( 4 )...
|
|
|
7551653 |
Multiple wavelength laser arrangement
A laser arrangement comprising a first and a second resonant cavity for generating a first and a second fundamental wavelength. A first and a second non-linear region are provided in the second...
|
|
|
7545837 |
One-dimensional illumination apparatus and imaging apparatus
A one-dimensional transverse multiple mode laser is used for a one-dimensional illumination apparatus. A pumping light source, and a laser medium and a wavelength conversion device (nonlinear...
|
|
|
7542492 |
Controlled misalignment in wavelength-converted laser sources
Methods of controlling semiconductor lasers are provided where the semiconductor laser generates an output beam that is directed towards the input face of a wavelength conversion device. Particular...
|
|
|
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...
|
|
|
7542490 |
Reduction of surface heating effects in nonlinear crystals for high power frequency conversion of laser light
A device for generating a frequency converted laser beam includes a nonlinear crystal having a first end face and a second end face opposed to the first end face. The nonlinear crystal is...
|
|
|
7541600 |
Lithographic and measurement techniques using the optical properties of biaxial crystals
A method and apparatus for accurately retrieving the position of an optical feature. The method uses the optical properties of biaxial crystals to conically refract the optical feature and...
|
|
|
7539222 |
Method of operating laser light source
A method of operating a laser light source including a wavelength conversion device in which two wavelength laser beams are input to a nonlinear crystal to output a sum frequency wavelength,...
|
|
|
7535938 |
Low-noise monolithic microchip lasers capable of producing wavelengths ranging from IR to UV based on efficient and cost-effective frequency conversion
A method for producing low-noise laser output at wavelengths ranging from IR through visible to UV in various operation modes from a monolithic microchip laser comprises schemes of (1) generating...
|
|
|
7535937 |
Monolithic microchip laser with intracavity beam combining and sum frequency or difference frequency mixing
A method for producing low-noise laser output at various wavelengths and/or in various operation modes in a monolithic microchip laser comprises schemes of generating two fundamental beams in...
|
|
|
7534377 |
Borate crystals for optical frequency conversion
Novel nonlinear optical materials are described having the general formula M x M′ y Sc z (BO 3 ) 4 where M and M′are metals, typically rare earth metals, and the sum of x, y, and z is about...
|
|
|
7529281 |
Light source with precisely controlled wavelength-converted average power
Control of average wavelength-converted power and/or wavelength converted pulse energy is described. One or more seed pulses may be generated and amplified with an optical amplifier to produce one...
|
|
|
7515617 |
Photonic device having higher order harmonic emissions
A photonic device is disclosed which has higher order harmonic emissions. A pump source is adapted to emit a laser beam at a source frequency and to have a power output of less than approximately...
|
|
|
7512160 |
Control method of distributed Bragg reflection semiconductor laser, and image projecting apparatus
A DBR semiconductor laser is controlled in an image projecting apparatus, which includes the DBR laser having a phase and DBR region, a light wavelength converting device for converting...
|
|
|
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...
|
|
|
7505491 |
Frequency-converted high-power laser with recirculating polarization control
A frequency-tripled laser-resonator has three resonator-branches. The branches are optically connected with each other by one or more polarization-selective devices. Unpolarized fundamental...
|
|
|
7502393 |
Light-emitting device having resonator and light source unit including the light-emitting device
To provide a light-emitting device having a resonator capable of stably and efficiently taking out light. The device includes an active medium, a resonator for confining the light having a first...
|