|
Match
|
Document |
Document Title |
|
|
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...
|
|
|
7492506 |
Wavelength converting element, light source device, lighting device, monitoring device, and projector
The disclosure refers to a wavelength converting element, light source device, lighting device, monitoring device, and projector. In one example, a wavelength converting element comprises a...
|
|
|
7489436 |
Hybrid integrated source of polarization-entangled photons
Various embodiments of the present invention are directed to systems configured to generate polarization-entangled photons. In one embodiment of the present invention, a polarization-entangled...
|
|
|
7486433 |
High-luminance quantum correlation photon beam generator
A high-luminance quantum correlation photon beam generator in which a laser light source ( 1 ) emits a laser pumped light and a parametric crystal ( 2 ) generates a pair of two photons of a signal...
|
|
|
7480317 |
Thermal compensation in semiconductor lasers
The present invention relates to relates generally to semiconductor lasers and, more particularly, to schemes for measuring and controlling the temperature of semiconductor lasers and schemes for...
|
|
|
7471707 |
Low noise, intra-cavity frequency-doubling micro chip laser with wide temperature range
A low-noise micro-chip laser includes a diode pump, a gain medium, a nonlinear crystal, and a birefringent material. The gain medium can receive the energy from the diode pump and generate a laser...
|
|
|
7471705 |
Ultraviolet laser system and method having wavelength in the 200-nm range
An apparatus and method applicable for generating ultraviolet laser light having a wavelength in the 200-nm range and/or 250-nm range; in some embodiments, using a single fiber laser pump source...
|
|
|
7466728 |
Method for laterally-coupling frequency-converted laser radiation out of a resonator
In traveling-wave ring-resonator an optically nonlinear crystal for converting visible radiation to ultraviolet (UV) radiation has an input face and two output faces. The visible light propagates...
|
|
|
7463658 |
Laser and method for generating pulsed laser radiation
A laser for generating pulsed laser radiation. An element is arranged in the resonator to generate laser radiation having the first wavelength by frequency conversion of the primary radiation. The...
|