|Coherent light generators patents - Monitor Patents|
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Coherent light generators June invention type 06/12Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application. 06/28/2012 > 6 patent applications in 6 patent subcategories. invention type
20120163402 - Fiber laser device: The invention relates to a fiber laser device 100. In the preliminary pumping state, the laser light is not output from the seed laser light source 10, the pumping light is output from the pumping light source 10, and the pumping light has such an intensity that the wavelength of... Agent: Fujikura Ltd.
20120163403 - Compact and efficient visible laser source with high speed modulation: A compact optically-pumped solid-state laser designed for efficient nonlinear intracavity frequency conversion into desired wavelengths using periodically poled nonlinear crystals. These crystals contain dopants such as MgO or ZnO and/or have a specified degree of stoichiometry that ensures high reliability. The laser includes a solid-state gain media chip, such as... Agent:
20120163404 - Repetition frequency control device: According to the repetition frequency control device, a master laser outputs a master laser light pulse the repetition frequency of which is controlled to a predetermined value. A slave laser outputs a slave laser light pulse. A reference comparator compares a voltage of a reference electric signal the repetition frequency... Agent: Advantest Corporation
20120163405 - Low chirp coherent light source: A coherent light source having a semiconductor laser resonator and an optical amplifier which amplifies coherent light emitted by the semiconductor laser resonator in response to current injection, in which the amount of current injected into the semiconductor laser is controlled for conformity with a chirp requirement of an optical... Agent: Emcore Corporation
20120163406 - Diamond heat sink in a laser: A laser has a laser material in thermal contact with a diamond, such that the diamond is operable to carry heat away from the laser material. In further embodiments, the diamond has a reduced nitrogen content, is a reduced carbon-13 content, is a monocrystalline or multilayer low-strain diamond, or has... Agent: Apollo Diamond, Inc.
20120163407 - Vertical-cavity surface-emitting laser device having relief structure: The present disclosure is a vertical-cavity surface-emitting laser (VCSEL) device. A relief structure is formed above or below a light emitting region by partially removing an aluminum composition layer of VCESL through an etching process. Thus, profound static performances are obtained, including low power consumption, biggest operational speed, and high... Agent:06/21/2012 > 6 patent applications in 6 patent subcategories. invention type
20120155498 - Fiber laser device: A PA section (3) of a fiber laser device includes: an amplifying fiber (4); an LD (5) for exciting the amplifying fiber (4); an LD heat sink (6a) that absorbs heat generated by the LD (5); and an LD fan (7a), a thermistor (8), and a CPU (9) that control... Agent: Fujikura Ltd.
20120155499 - Mode locked fiber laser system: A mode-locked laser system comprises a stimulating laser pump, a pulse-modulating laser pump, and an optical oscillator. The stimulating laser pump and the pulse-modulating laser pump emit a stimulating laser light and a pulse-modulating laser light. The optical oscillator further includes a gain medium, a saturable absorber, a first terminal,... Agent: Industrial Technology Research Institute
20120155500 - Repetition frequency control device: A repetition frequency control device includes a slave photoelectric conversion unit which converts a slave laser light pulse into a slave electrical signal, a master photoelectric conversion unit which converts a master laser light pulse into a master electrical signal, a frequency change unit which changes the repetition frequency of... Agent: Advantest Corporation
20120155501 - Angular extrusion of copper alloy anodes: A method of manufacturing an electrode, in which a solid metal material is extruded through a channel angular extrusion die to form the electrode. The solid metal material comprises copper and at least about 10 wt % zinc, and more particularly, between about 20 and about 40 wt % zinc.... Agent: Honeywell International Inc.
20120155502 - Photonic crystal device: The objective of the invention is to provide a photonic crystal device which enables efficient confinement of carriers while preventing the deterioration of device characteristics. Specifically a photonic crystal device has a photonic crystal in which media with different refractive indexes are regularly arranged, wherein an active region (11) includes... Agent: Nippon Telegraph And Telephone Corporation
20120155503 - Solid-state laser with multi-pass beam delivery optics: A laser system including two laser amplifier modules, each comprising a solid-state laser gain material (LGM) disk, and a multi-pass optical assembly comprising a plurality of relay mirrors. The relay mirrors are grouped in two relay mirror groups. Individual relay mirrors are arranged to pass a laser beam from the... Agent:06/14/2012 > 14 patent applications in 13 patent subcategories. invention type
20120147906 - Laser cooling of modified soi wafer: A laser cooling system includes a substrate, an REO layer of single crystal rare earth oxide including at least one rare earth element positioned on the surface of the substrate, and an active layer of single crystal semiconductor material positioned on the REO layer to form a semiconductor-on-insulator (SOI) device.... Agent:
20120147907 - Terahertz wave generator: Disclosed is a terahertz wave generator which includes a dual mode semiconductor laser device configured to generate at least two laser lights having different wavelengths and to beat the generated laser lights; and a photo mixer formed on the same chip as the dual mode semiconductor laser device and to... Agent: Electronics And Telecommunications Research Institute
20120147909 - Fiber laser system: A fiber laser system including a laser pumping source, first and second wavelength reflectors, first and second gain fibers, and first and second long wavelength reflectors is provided. The laser pumping source is adapted to emit a pumping beam. The first wavelength reflector is coupled to the laser pumping source.... Agent: Industrial Technology Research Institute
20120147908 - Short-pulse fiber-laser: A mode-locked fiber laser has a resonator including a gain-fiber, a mode-locking element, and a spectrally-selective dispersion compensating device. The resonator can be a standing-wave resonator or a traveling-wave resonator. The dispersion compensating device includes only one diffraction grating combined with a lens and a minor to provide a spatial... Agent: Coherent, Inc.
20120147910 - Semiconductor laser device and driving method of the same: A semiconductor laser device that outputs light while periodically varying the temperature of a semiconductor laser, an optical waveguide, or a diffraction grating, outputs light while causing the optical waveguide or the diffraction grating to mechanically and periodically vary, or causes return light, which varies periodically or non-periodically, to be... Agent: Ntt Electronics Corporation
20120147911 - Direct ultrashort laser system: A direct ultrashort laser system is provided. In another aspect of the present invention, a method of measuring laser pulse phase distortions is performed without requiring an adaptive pulse shaper or interferometry. In yet another aspect of the present invention, a system, a method of operating, a control system, and... Agent: Board Of Trustees Of Michigan State University
20120147912 - Vertical cavity surface emitting laser device with angular-selective feedback: The present invention relates to a laser device comprising at least one large area VCSEL (101) and at least one optical feedback element (201, 301) providing an angular-selective feedback for laser radiation emitted from the laser. The angular-selective feedback is higher for at least one portion of laser radiation emitted... Agent: Koninklijke Philips Electronics N.v.
20120147913 - Laser crystal components joined with thermal management devices: A method for preparing a surface of a YAG crystal for thermal bonding includes performing an ion implantation process to introduce nitrogen into a surface layer of the YAG crystal to replace depleted oxygen therein, to change surface energy of the surface layer of the YAG crystal and to provide... Agent: Raytheon Company
20120147914 - Optical module: There are provided an optical module including a semiconductor laser including a P-side electrode and an N-side electrode, and a semiconductor laser driver circuit that drives the semiconductor laser so as to output an optical signal from the semiconductor laser according to a pattern of a differentially transmitted digital electric... Agent: Sae Magnetics (h.k.) Ltd.
20120147915 - Laser diode and method of fabrication the laser diode: The laser diode is based on Al In Ga N alloy and consists of: a bottom cladding layer of n-type conductivity, a bottom waveguide layer of n-type conductivity, a light emitting layer, an electron blocking layer of p-type conductivity, an upper waveguide layer of p-type conductivity, an upper cladding layer... Agent:
20120147916 - Semiconductor laser device: A semiconductor laser device capable of high output is provided. A semiconductor laser diode includes: a substrate; and a semiconductor stacked structure, which is formed on the substrate through crystal growth. The semiconductor stacked structure includes: an n-type (Alx1Ga(1-x1))0.51In0.49P cladding layer 14 and a p-type (Alx1Ga(1-x1))0.51In0.49P cladding layer; an n-side... Agent: Rohm Co., Ltd.
20120147917 - Laser diode device: A laser diode device includes a laminated structure in which a first compound semiconductor layer, a third compound semiconductor layer that has a light emitting region and a saturable absorption region, and a second compound semiconductor layer are sequentially layered, a second electrode, and a first electrode. The laminated structure... Agent: Sony Corporation
20120147918 - Surface emitting laser: A surface emitting laser includes a stepped structure including portions having different thicknesses. The optical path length from a plane defined above the stepped structure and extending parallel to a base substrate to an interface between a front mirror and the stepped structure is set to a specific value in... Agent: Canon Kabushiki Kaisha
20120147919 - Surface profile inspection device: A surface profile inspection device producing a sheet of light propagating in a linear region forming a plane from a laser beam emitted from a laser light source and irradiating the sheet of light to an object to be measured, and including an image capturing unit capturing an image of... Agent: Aisin Seiki Kabushiki Kaisha06/07/2012 > 4 patent applications in 4 patent subcategories. invention type
20120140782 - Low timing jitter, single frequency, polarized laser: A laser system includes a first laser diode configured to generate first light in a first direction along an optical path; a laser resonator having a gain medium, anisotropic saturable absorber, and a wavelength selective outcoupler positioned in the optical path upon which the first light impinges a first side... Agent: Raytheon Company
20120140783 - Wavelength-tunable laser source apparatus: A wavelength-tunable laser source apparatus is provided, having first and second Fabry-Perot laser diodes, a tunable bandpass filter and an optical coupler. One of the first and second Fabry-Perot laser diodes outputs a light source to be injected into the other of the first and second Fabry-Perot laser diodes. The... Agent: Industrial Technology Research Institute
20120140784 - Speckle reduction for laser projection displays: Various embodiments of the present invention relate to a laser driver, and more particularly, to systems, devices and methods of applying low current pulses to a laser modulation current to reduce the speckling noise on the projected images.... Agent:
20120140785 - Nitride based semiconductor device and fabrication method for the same: A nitride based semiconductor device includes: an n-type cladding layer; an n-type GaN based guide layer placed on the n-type cladding layer; an active layer placed on the n-type GaN based guide layer; a p-type GaN based guide layer placed on the active layer; an electron block layer placed on... Agent:Previous industry: Multiplex communications
Next industry: Industrial electric heating furnaces
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