|Coherent light generators patents - Monitor Patents|
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Coherent light generators November recently filed with US Patent Office 11/11Below 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. 11/24/2011 > 16 patent applications in 15 patent subcategories. recently filed with US Patent Office
20110286474 - Fiber laser device: The fiber laser device includes: a laser oscillator 10 configured to emit laser light having a first wavelength; a first optical filter 20 configured to transmit the laser light having the first wavelength; a wavelength converter 30 configured to generate laser light having a second wavelength using stimulated Raman scattering... Agent: Fujikura Ltd.
20110286475 - Fiber laser device: The fiber laser device includes: a pumping light source 20 configured to output pumping light having a wavelength λ; and a rare earth-doped fiber, wherein when the intensity change rate of the pumping light with respect to the temperature is denoted by ΔP dB/° C., the wavelength change rate of... Agent: Fujikura Ltd.
20110286476 - Suppression of parasitic lasing: A laser gain medium crystal comprising a square rod of laser gain medium material having top and bottom surfaces that are finely ground to introduce scattering surfaces to cancel parasitic lasing. The square rod of laser gain material has input and output faces and side surfaces, and portions of the... Agent: United States Of America, As Represented By The Secretary Of The Army
20110286477 - Multiple wavelength optical systems: Optical systems operable to emit multiple frequency-converted spectral peaks are provided. In one embodiment, an optical system includes an optical source and a wavelength conversion device. The optical source may include a laser configured to emit a pump beam having at least two fundamental spectral peaks. The wavelength conversion device... Agent:
20110286478 - Laser scan speeed calibration: The invention relates to a method of verifying a scan speed in a laser scanning system. The method includes modulating the laser of the system to form a periodically modulated feature from which the actual scan speed can be read or deduced.... Agent: Materials Solutions
20110286479 - Pulsed light source: It is an object of the present invention to provide a compact and low-cost system for generating ultra short high energy laser light pulses that does not use the known CPA scheme. The proposed approach is based on spectral filtering of laser light pulses of a mode locked laser source.... Agent: Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v.
20110286480 - Method and system for modulation of gain suppression in high average power laser systems: A high average power laser system with modulated gain suppression includes an input aperture associated with a first laser beam extraction path and an output aperture associated with the first laser beam extraction path. The system also includes a pinhole creation laser having an optical output directed along a pinhole... Agent: Lawrence Livermore National Security, LLC
20110286481 - Laser diode package with enhanced cooling: A laser diode package assembly includes a reservoir filled with a fusible metal in close proximity to a laser diode. The fusible metal absorbs heat from the laser diode and undergoes a phase change from solid to liquid during the operation of the laser. The metal absorbs heat during the... Agent: Lawrence Livermore National Security, LLC
20110286482 - Laser diode package with enhanced cooling: A laser diode package assembly includes a reservoir filled with a fusible metal in close proximity to a laser diode. The fusible metal absorbs heat from the laser diode and undergoes a phase change from solid to liquid during the operation of the laser. The metal absorbs heat during the... Agent: Lawrence Livermore National Security, LLC
20110286483 - Laser diode package with enhanced cooling: A laser diode package assembly includes a reservoir filled with a fusible metal in close proximity to a laser diode. The fusible metal absorbs heat from the laser diode and undergoes a phase change from solid to liquid during the operation of the laser. The metal absorbs heat during the... Agent: Lawrence Livermore National Security, LLC
20110286484 - System and method of multi-wavelength laser apparatus: A system and method for providing laser diodes emitting multiple wavelengths is described. Multiple wavelengths and/or colors of laser output are obtained by having multiple laser devices, each emitting a different wavelength, packaged onto the same substrate. In other embodiments, multiple laser devices having different wavelengths are formed from the... Agent: Sorra, Inc.
20110286486 - Quantum cascade laser: A quantum cascade laser is configured to include a semiconductor substrate, and an active layer provided on the substrate and having a cascade structure formed by multistage-laminating unit laminate structures 16 each including an emission layer 17 and an injection layer 18. Further, the unit laminate structure 16 includes, in... Agent: Hamamatsu Photonics K.k.
20110286485 - Single-mode quantum cascade lasers having shaped cavities: Single-mode quantum cascade lasers having shaped cavities of various geometries are provided. The shaped cavities function as monolithic coupled resonators, and permit single-mode operation of the lasers. A folded or hairpin-shaped cavity could be provided, having a plurality of straight segments interconnected with a curved segment. Additionally, a shaped cavity... Agent:
20110286487 - Semiconductor laser device: A semiconductor laser device includes, on an n-type GaAs substrate, an n-type GaAs contact layer, an n-type first quantum well heterobarrier layer, an n-type AlGaInP cladding layer, a strained quantum well active layer (a first guide layer, GaInP well layers, AlGaInP barrier layers, and a second guide layer), a p-type... Agent:
20110286488 - Laser weapon system and method: A laser weapon system includes a chamber configured to direct a post-detonation gas flow between a first mirror and a second mirror, and an ejectable ammunition cartridge containing a first gas and a second gas. The cartridge is fluidly connected to the chamber.... Agent: Lasermax, Inc.
20110286489 - All-silicon raman amplifiers and laser based on micro ring resonators: Devices for generating a laser beam are disclosed. The devices include a silicon micro ring having at least one silicon optical waveguide disposed at a distance from the micro ring. The radius and the cross-sectional dimension of the micro ring, the cross-sectional dimension of the waveguide, and the distance between... Agent: The Trustees Of Columbia University In The City Of New York11/17/2011 > 12 patent applications in 11 patent subcategories. recently filed with US Patent Office
20110280262 - Modular, high energy, widely-tunable ultrafast fiber source: A modular, compact and widely tunable laser system for the efficient generation of high peak and high average power ultrashort pulses. Modularity is ensured by the implementation of interchangeable amplifier components. System compactness is ensured by employing efficient fiber amplifiers, directly or indirectly pumped by diode lasers. Peak power handling... Agent: Imra America, Inc.
20110280263 - Saturable absorber using a fiber taper embedded in a nanostructure/polymer composite and lasers using the same: A saturable absorber (SA) is constructed using a fiber taper embedded in a carbon nanotube/polymer composite. A fiber taper is made by heating and pulling a small part of standard optical fiber. At the taper's waist light is guided by the glass-air interface, with an evanescent field protruding out of... Agent:
20110280264 - Solid-state laser device: There is provided a solid-state laser device including: a resonator; a solid-state laser medium disposed in the resonator; an excitation section that irradiates an excitation beam into the solid-state laser medium; a mode selector that controls transverse modes of oscillating light in the resonator; and a movement section that moves... Agent:
20110280265 - Driver circuit for the direct modulation of a laser diode: A driver circuit for a laser diode provides drive signals to the electrodes of the laser diode based on a pulsed input signal. An input receives the pulsed input signal and launches it into an amplification stage which preferably includes dual amplifiers, a buffering stage and a biasing stage. The... Agent: Institut National D'optique
20110280266 - Semiconductor laser apparatus, method of manufacturing semiconductor laser apparatus and optical apparatus: This semiconductor laser apparatus includes a semiconductor laser chip and a package sealing the semiconductor laser chip. The package has a base portion mounted with the semiconductor laser chip, a sealing member and a window member. The semiconductor laser chip is sealed with the base portion, the sealing member and... Agent: Sanyo Electric Co., Ltd.
20110280267 - Semiconductor laser apparatus and optical apparatus: This semiconductor laser apparatus includes a semiconductor laser chip and a package sealing the semiconductor laser chip. The package includes a base body made of resin, a first sealing member mounted on an upper surface of the base body and a translucent second sealing member mounted on a front surface... Agent: Sanyo Electric Co., Ltd.
20110280268 - Laser diode and semiconductor light-emitting device producing visible-wavelength radiation: A laser diode includes a substrate having a lattice constant of GaAs or between GaAs and GaP, a first cladding layer of AlGaInP formed on the substrate, an active layer of GaInAsP formed on the first cladding layer, an etching stopper layer of GaInP formed on the active layer, a... Agent:
20110280269 - High contrast grating integrated vcsel using ion implantation: A Vertical Cavity Surface Emitting Laser (VCSEL) and its fabrication are taught which incorporate a high contrast grating (HCG) to replace the top mirror of the device and which can operate at long-wavelengths, such as beyond 0.85 μm. The HCG beneficially provides a high degree of polarization differentiation and provides... Agent: The Regents Of The University Of California
20110280270 - Semiconductor laser apparatus and optical apparatus: This semiconductor laser apparatus includes a semiconductor laser chip and a package sealing the semiconductor laser chip. The package has a concave base portion with an opening provided in an upper surface and one side surface and a sealing member covering the opening, and the sealing member is mounted on... Agent: Sanyo Electric Co., Ltd.
20110280271 - F-p cavity and laser using said f-p cavity: The disclosure discloses a fabry-Perot (F-P) cavity, which is a folded confocal cavity integrally formed by a monolithic optical element, the folded confocal cavity having three reflection surfaces, wherein a first reflection surface is a plane and at the same time serves as an input/output coupling surface, a second reflection... Agent:
20110280272 - Laser light source device: A laser light source device including: a laser light source that emits laser beams from a plurality of light emitting points; and a polarization rotating unit that is arranged on a light axis of a laser beam output from one or a plurality of light emitting points of the laser... Agent:
20110280273 - Plasmon stabilized laser diodes: A device having a light cavity includes, at one end, a plasmonic reflector having a grating surface for coupling incoming light into traverse plasmon waves and for coupling the traverse plasmon wave into broaden light, the surface serving to redistribute light within the cavity, the reflector being well suited for... Agent:11/10/2011 > 11 patent applications in 11 patent subcategories. recently filed with US Patent Office
20110274125 - Optical multiplexer and fiber laser: An object of the present invention is to provide an optical multiplexer and a fiber laser for obtaining high-output light of a single wavelength. The optical multiplexer according to the present invention is provided with input units 11 and 12, a wavelength multiplexing unit 14, a multiplexed light converting unit... Agent: Fujikura Ltd.,
20110274126 - Method of switching laser emission of a solid state laser between different emission wavelengths and corresponding solid state laser device: The present invention relates to a method of switching laser emission of a solid state laser between different emission wavelengths, said different emission wavelengths being based on different electronic transitions in a solid state laser medium (3) of the solid state laser. The at least two end mirrors (1, 2)... Agent: Koninklijke Philips Electronics N.v.
20110274127 - Pulse laser, optical frequency stabilized laser, measurement method, and measurement apparatus: The object is to measure the carrier envelope offset frequency of a mode-locked laser. Provided is a pulse laser that measures a carrier envelope offset frequency of a mode-locked laser, pulse laser comprising a mode-locked laser that generates an optical pulse; a band expanding section that expands an oscillated frequency... Agent: Advantest Corporation
20110274128 - Laser beam working machine: A cylindrical lens (4) diverges a laser beam (L1) in the Y-axis direction (i.e., within the YZ plane) but neither diverges nor converges it in the X-axis direction (i.e., within the ZX plane). An objective lens (5) converges the laser beam (L1) emitted from the cylindrical lens (4) into a... Agent: Hamamatsu Photonics K.k.
20110274129 - Method for producing a cylindrical optical component of quartz glass and optically active component obtained by said method: Cylindrical optical components of quartz glass are known, which have an inner zone made of an inner zone glass, which extends in the direction of the longitudinal axis and is surrounded by a jacket zone made of a jacket zone glass, the average pt wall thickness thereof varying at least... Agent: Hreaeus Quarzglas Gmbh & Co. Kg
20110274130 - Single ridge n-p-n diode laser: The present disclosure relates to a diode laser and a method for producing the same. In one embodiment, the diode laser, comprises a passive pedestal layer structure, an active ridge layer structure positioned over the passive pedestal layer structure, a p-contact contacting a top side of the active ridge layer... Agent:
20110274131 - Two-dimensional surface-emitting laser array element, surface-emitting laser device and light source: Included are a plurality of surface-emitting laser elements each of which includes a substrate; a lower multilayer reflective mirror and an upper multilayer reflective mirror that are formed on the substrate and are formed from a periodic structure of a high-refractive index layer and a low-refractive index layer; an active... Agent: Furukawa Electric Co., Ltd.
20110274132 - Gas laser oscillator: An oscillator housing includes a main body unit that is shaped into a frame and formed of a metallic material and a cover unit that is formed of a metallic material to cover openings of the main body unit, and has an outer wall that has an arc cross section... Agent: Mitsubishi Electric Corporation
20110274133 - Systems and methods for improved ring laser gyroscope devices through mix ratio optimization: Systems and methods for improved ring laser gyroscope devices through mix ratio optimization are provided. In one embodiment, a ring laser gyroscope device comprises: a laser block assembly having a cavity therein that defines a ring shaped laser beam path around the laser block assembly, the cavity containing a fill... Agent: Honeywell International Inc.
20110274134 - Solar pumped laser microthruster: A micro-thruster for controlling the positioning of a satellite includes a solar concentrator for collecting solar energy and producing concentrated solar energy. A solar panel is positioned to receive the concentrated solar energy and thereby produces electrical energy which in turn energizes a diode-pumped fiber optic laser. The energized laser... Agent:
20110274135 - Broadband dispersion-free optical filter cavities based on dielectric mirrors with complementary dispersion: A substantially dispersion-free optical filter cavity includes a first multilayer mirror and a second multilayer mirror, wherein each mirror includes layers of a less-refractive material and layers of a more-refractive material, the more-refractive material having a higher index of refraction than the less-refractive material. The mirrors are separated by a... Agent: Massachusetts Institute Of Technology11/03/2011 > 6 patent applications in 6 patent subcategories. recently filed with US Patent Office
20110268140 - Multiple wavelength raman laser: A pulsed laser system may include a Raman fiber that is configured to act as multiple wavelength Raman laser. The fiber is configured to receive a pulsed input beam from an input source and convert the input beam to an output beam having narrow band outputs at first and second... Agent: Mobius Photonics, Inc.
20110268141 - Optical device, laser irradiation device, and laser treatment apparatus: An optical device that allows laser beams to be incident to one end of an image fiber and receives a two-dimensional image of a laser irradiation target transmitted through the image fiber. The optical device includes: a mirror that is arranged on the one end side of the image fiber,... Agent: Fujikura Ltd.
20110268142 - Method for having laser light source in standby status: When the laser light source is caused to standby, the temperatures of semiconductor lasers are changed by approximately 3° C. from the temperature when the laser light source is always being used. With a temperature change of approximately 3° C., the wavelengths of the laser light generated by the semiconductor... Agent: Nikon Corporation
20110268143 - Vertical surface emitting semiconductor device: A semiconductor light emitting device includes a pump light source, a gain structure, and an out-coupling mirror. The gain structure is comprised of InGaN layers that have resonant excitation absorption at the pump wavelength. Light from the pump light source causes the gain structure to emit light, which is reflected... Agent: Palo Alto Research Center Incorporated
20110268144 - Nitride semiconductor laser device: A nitride semiconductor laser device includes an active layer 106 made of a nitride semiconductor formed on a substrate and a current confining layer 109 formed above the active layer 106. The current confining layer has an opening 109a through which a current selectively flows into the active layer 106.... Agent:
20110268145 - Optical component: At least one surface of a plate member made of ZnSe has a concave-and-convex structure in which a projecting section and a groove section are formed at a spatial cycle equal to or lower than the wavelength of carbon dioxide laser light to thereby provide a substrate body. On a... Agent: Sumitomo Electric Industries, Ltd.Previous industry: Multiplex communications
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