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Coherent light generators

Below 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.
04/10/2014 > 6 patent applications in 5 patent subcategories.

20140098829 - Light source, and optical coherence tomography module: An optical module includes a light source. The light source can be a swept wavelength light source, and optical module includes a wavemeter. The wavemeter includes a wavemeter tap capable of directing a wavemeter portion of light produced by the light source away from a main beam, a wavelength selective... Agent: Exalos Ag

20140098828 - Wavelength-tunable light source and wavelength variation method: A wavelength-tunable light source includes light sources having differing variable wavelength regions, where light sources having adjacent wavelength regions are distributed to different systems. The light sources are each set such that an end portion of the variable wavelength region of the light source overlaps an end portion of the... Agent: Fujitsu Limited

20140098830 - Extreme ultraviolet light generation system: An extreme ultraviolet light generation system may include an optical device configured to cause an optical path of a pulse laser beam to approximately match one of a first optical path in which the pulse laser beam is focused at a plasma generation region and a second optical path in... Agent: Gigaphoton Inc.

20140098831 - Semiconductor laser device: A semiconductor laser includes a ridge section on top of a semiconductor laminated section. The ridge section is a stripe-shaped projection or ridge and serves as a constriction structure for constricting current and light. A pair of terrace sections is located on top of the semiconductor laminated structure. The terrace... Agent: Mitsubishi Electric Corporation

20140098832 - Driving device and light-emitting unit: A driving device includes: a driving circuit configured to provide a drive current; a first detecting circuit; a second detecting circuit configured to detect a first reference current or a physical quantity corresponding thereto, as well as a second reference current or a physical quantity corresponding thereto; a first generating... Agent: Sony Corporation

20140098833 - Hybrid vertical cavity laser for photonic integrated circuit: According to example embodiments, a hybrid vertical cavity laser for a photonic integrated circuit (PIC) includes: a grating mirror between first and second low refractive index layers, an optical waveguide optically coupled to one side of the grating mirror, a III-V semiconductor layer including an active layer on an upper... Agent: Samsung Electronics Co., Ltd.

04/03/2014 > 8 patent applications in 8 patent subcategories.

20140092925 - Optical pulse apparatus and method: The invention can include an apparatus for producing optical pulses, comprising an oscillator for producing optical pulses at a first optical pulse repetition frequency, the optical pulses having a first wavelength and a first time duration; a pulse picker for receiving optical pulses having the first optical pulse repetition frequency,... Agent:

20140092926 - Wavelength-stabilized frequency-converted optically pumped semiconductor laser: A frequency-doubled OPS-laser having a desired output wavelength of 532 nm is tunable about that wavelength by a temperature tuned birefringent filter (BRF). The temperature of the BRF is varied while measuring transmission of a sample of the output through a Nd:YAG crystal having an absorption peak at a wavelength... Agent: Coherent Gmbh

20140092927 - Femtosecond laser processing system with process parameters controls and feedback: A femtosecond laser based laser processing system having a femtosecond laser, frequency conversion optics, beam manipulation optics, target motion control, processing chamber, diagnostic systems and system control modules. The femtosecond laser based laser processing system allows for the utilization of the unique heat control in micromachining, and the system has... Agent: Imra America, Inc.

20140092928 - Gas laser having a heat exchanger: A gas laser includes a fan for producing a flow of a laser gas and a heat exchanger including multiple heat exchanger pipes. The heat exchanger further includes two end plates to which the multiple heat exchanger pipes are secured at the opposing ends thereof. The two end plates include... Agent: Trumpf Laser-und Systemtechnik Gmbh

20140092929 - Laser system for power transmission: An optical power beam transmission systems, with a directional light transmitter and receiver. The transmitter contains an amplifying laser medium, and this together with a retroreflector in the receiver, forms a laser resonator. When lasing sets in, the receiver can extract optical power through an output coupler and convert it... Agent: Wi-charge Ltd.

20140092930 - Conformal metallization process for the fabrication of semiconductor laser devices: A method of fabricating a semiconductor laser device by forming a semiconductor structure at least part of which is in the form of a mesa structure having a flat top. The steps include depositing a passivation layer over the mesa structure, forming a contact opening in the passivation layer on... Agent: Emcore Corporation

20140092931 - Laser diode assembly: A laser diode assembly includes a housing having a housing part and a mounting part that is connected to the housing part and that extends away from the housing part along an extension direction. A laser diode chip is disposed on the mounting part. The laser diode chip has, on... Agent: Osram Opto Semiconductors Gmbh

20140092932 - Laser apparatus and photoacoustic apparatus: A laser apparatus that allows selection of a wavelength of output light from a plurality of options. The laser apparatus includes: a resonator made up from an output mirror and reflection means having a plurality of reflective surfaces fixed in position; a laser medium disposed on an optical axis inside... Agent: Canon Kabushiki Kaisha

03/27/2014 > 5 patent applications in 5 patent subcategories.

20140086267 - High energy fiber laser modulator: A laser device includes a seed laser, a polarizer, a pseudorandom bit sequence (PRBS) pattern generator, and a phase modulator. The polarizer may be optically coupled to receive an output of the seed laser and may generate a polarization filtered output. The PRBS pattern generator may be configured to generate... Agent: The Johns Hopkins University

20140086268 - Microchip laser with single solid etalon and interfacial coating: A microchip laser includes a microchip laser base comprising a gain region and a passive Q-switch region. The microchip laser also includes a solid etalon coupled to the microchip laser base, and an interfacial coating disposed between the microchip laser base and the solid etalon. In some embodiments, the microchip... Agent: Raytheon Company

20140086269 - Device for generating electromagnetic radiation: The invention relates to a device for generating electromagnetic radiation, said device comprised of a light source (1) generating a first radiation (7) at a fundamental wavelength, an optical resonator (2) in which the first radiation (7) circulates, and a frequency multiplier (8) located in the optical resonator (2) which... Agent: Toptica Photonics Ag

20140086270 - Blower apparatus and gas laser oscillation apparatus: A blower apparatus includes a blower casing; an elastic member for mounting a mounting portion that projects on an outer circumferential portion of the blower casing, to a blower support member disposed on the inlet side of the mounting portion; and a flange portion provided on the inlet side of... Agent: Mitsubishi Electric Corporation

20140086271 - Molecular gas laser: The closed cycle solid state optically pumped gas hybrid (chemical recovery) system utilizes a laser diode excited solid state, fiber or bulk, laser as a pump for a molecular gas, or gas mix, medium. The existence of efficient high power laser diode excited solid state fiber or bulk lasers, output... Agent:

03/20/2014 > 9 patent applications in 9 patent subcategories.

20140079080 - Image display apparatus and electronic apparatus having projector function: This image display apparatus includes a plurality of laser beam source portions outputting laser beams of a plurality of color components different from each other, a synthesized beam generation portion synthesizing the laser beams of the plurality of color components, a control portion controlling the outputs of the laser beam... Agent: Funai Electric Co., Ltd.

20140079081 - Photonic modulator and switch: The invention taught herein provides a method, device and system for modulating or switching electromagnetic radiation by controlling a state of the radiation, such as a polarization state. Radiation is directed at a reflective or transmissive structure, such that the radiation is incident on the structure. The structure includes a... Agent:

20140079082 - Tunable optical system with hybrid integrated laser: A tunable optical system with hybrid integrated semiconductor laser is provided. The optical system includes a silicon-on-insulator (SOI) substrate; a first optical waveguide tunable comb filter formed at the first side of the SOI substrate; a second optical waveguide tunable comb filter with detuned filter response formed at the first... Agent: Laxense Inc.

20140079083 - Optical module and method of controlling optical module: Provided is an optical module in which a temperature of a semiconductor element to be subjected to temperature control is controlled to fall within a desired operating temperature range regardless of whether an environmental temperature is outside or inside the operating temperature range of the semiconductor element, and which is... Agent: Oclaro Japan, Inc.

20140079084 - System, apparatus and method employing a dual head laser: A system, apparatus and method employing a laser with a split-head, V-assembly gain material configuration. Additionally, the present invention is directed to techniques to better dissipate or remove unwanted energies in laser operations. The present invention is also directed to techniques for better collimated laser beams, with single spatial mode... Agent:

20140079085 - Vertical-cavity surface-emitting laser and method of fabricating the same: Provided are a wavelength swept vertical-cavity surface-emitting laser and a method of fabricating the same. The laser may include a substrate, a lower reflection layer on the substrate, an active layer on the lower reflection layer, a sacrificial layer disposed on a first side of the active layer, a stopper... Agent: Electronics And Telecommunications Research Institute

20140079086 - Laser diode, optical disk device and optical pickup: A laser diode capable of performing self-pulsation operation, and capable of sufficiently reducing the coherence of laser light and stably obtaining low-noise laser light is provided. The laser diode includes: a laser chip including at least one laser stripe which extends in a resonator length direction between a first end... Agent: Sony Corporation

20140079087 - Lift-off processing for formation of isolation regions in laser diode structures: A method of fabricating a laser diode structure is provided where a photolithographic process is utilized to form at least a portion of an axially extending waveguide structure such that a patterned photoresist remnant resides over the axially extending waveguide structure following the photolithographic process. A patterned isolated opening and... Agent: Corning Incorporated A New York Corporation

20140079088 - System and method for combining laser arrays for digital outputs: Embodiments comprise laser emitter devices that generate a collimated beam of light the intensity or amplitude of which may be varied so as to carry data signals at a high rate of efficiency, and that is less sensitive to alignment of the detector, and detector systems for detecting the same... Agent: Trilumina Corporation

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