|Coherent light generators patents - Monitor Patents|
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Coherent light generatorsBelow 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. 03/06/2014 > 15 patent applications in 13 patent subcategories.
20140064305 - Efficient generation of intense laser light from multiple laser light sources using misaligned collimating optical elements: A system is provided for combining laser light sources. The system includes: a stack of laser diode bar arrays, comprising two or more laser diode bar arrays, each laser diode bar array having multiple laser diodes; a multimode optical fiber; and a plurality of optical elements disposed between the stack... Agent: Optical Engines, Inc.
20140064306 - Compact external cavity tunable laser apparatus: The present disclosure relates to a compact external cavity tunable laser apparatus. The laser apparatus includes a substrate, an external cavity tunable reflecting unit that reflects laser light entering from the outside on the substrate and selects and varies a wavelength of the reflected laser light, an optical fiber that... Agent:
20140064307 - Laser device: A laser device includes a partially reflective mirror for separating laser light into monitor light and output light, a light output monitor device for detecting the intensity of the monitor light from the partially reflective mirror, a controller for controlling the intensity of the output light from the partially reflective... Agent: Nikon Corporation
20140064308 - Laser apparatus and method for processing objects with a laser which is controllable in terms of the pulse energy: A laser processing apparatus, a filter device and a method are used for controlling a pulse laser, which is controllable in terms of its pulse energy and of a temporal triggering of laser pulses, during material processing of an object, in particular during the marking of a plastics-based document. The... Agent: Bundesdruckerei Gmbh
20140064309 - Laser device having a gas-purged laser resonator: In a laser device having at least one gas-purged laser resonator which is arranged in a purging gas circuit which has upstream of the laser resonator both a low pressure generator for generating a purging gas excess pressure in the purging gas circuit and, between the low pressure generator and... Agent: Trumpf Laser Gmbh + Co. Kg
20140064312 - Epitaxial growth of in-plane nanowires and nanowire devices: Exemplary embodiments provide semiconductor nanowires and nanowire devices/applications and methods for their formation. In embodiments, in-plane nanowires can be epitaxially grown on a patterned substrate, which are more favorable than vertical ones for device processing and three-dimensional (3D) integrated circuits. In embodiments, the in-plane nanowire can be formed by selective... Agent: Stc.unm
20140064311 - Laser light source: A laser light source having a ridge waveguide structure includes a semi-conductor layer sequence having a number of functional layers and an active region that is suitable for generating laser light during operation At least one of the functional layers is designed as a ridge of the ridge waveguide structure... Agent: Osram Opto Semiconductors Gmbh
20140064310 - Photonic crystal surface-emitting lasers enabled by an accidental dirac point: A photonic-crystal surface-emitting laser (PCSEL) includes a gain medium electromagnetically coupled to a photonic crystal whose energy band structure exhibits a Dirac cone of linear dispersion at the center of the photonic crystal's Brillouin zone. This Dirac cone's vertex is called a Dirac point; because it is at the Brillouin... Agent:
20140064313 - Surface-emission laser diode and fabrication process thereof: In a surface-emission laser diode, there is provided, between an active layer and a semiconductor layer that contains AI, Ga and As as major components, a semiconductor layer containing AI, In and P as major components such that the semiconductor layer containing AI, In and P as major components is... Agent: Ricoh Company, Ltd.
20140064314 - Emitting device with compositional and doping inhomogeneities in semiconductor layers: A device including one or more layers with lateral regions configured to facilitate the transmission of radiation through the layer and lateral regions configured to facilitate current flow through the layer is provided. The layer can comprise a short period superlattice, which includes barriers alternating with wells. In this case,... Agent:
20140064315 - Method and apparatus including movable-mirror mems-tuned surface-emitting lasers: VCSEL apparatus having a substrate, a solid-state gain medium, a reflective mirror on one side of the medium, a movable reflective mirror on an opposite side of the medium, and a mechanism configured to move the movable mirror to tune a characteristic wavelength. Also described is a VCSEL apparatus having... Agent: Vixar
20140064316 - Systems and methods for lasing from a molecular gas: Systems and methods for lasing molecular gases, and systems and methods of detecting molecular species are provided. The systems and methods can include the use of an excitation laser tuned to a wavelength associated with oxygen or nitrogen. The lasing can occur in both the forward and reverse directions relative... Agent:
20140064317 - Gas laser oscillator with discharge start judgment function: A gas laser oscillator, including a power supply part supplying a discharge tube voltage corresponding to a power output command to a discharge tube so as to start a discharge in the discharge tube; a voltage detecting part detecting the discharge tube voltage; a current detecting part detecting an output... Agent: Fanuc Corporation
20140064318 - Waveguide co2 laser with multiply folded resonator: A gas-discharge waveguide CO2 laser has a Z-shaped folded waveguide formed by three ceramic tubes. Ends of the adjacent tubes are shaped and fitted together to form a common aperture. The tubes are held fitted together by spaced-apart parallel discharge electrodes. Four minors are arranged to form a laser-resonator having... Agent: Coherent, Inc.
20140064319 - Nanolaser for generating coherent electromagnetic radiation: Nanolaser for generating coherent electromagnetic radiation, comprising at least one nanoparticle of metal, preferably silver, or semiconductor, at least one exciting element, preferably a quantum dot, for exciting plasmon resonance of the at least one nanoparticle, wherein the at least one nanoparticle and the at least one exciting element are... Agent:02/27/2014 > 5 patent applications in 5 patent subcategories.
20140056320 - Method and apparatus for differentially controlling population inversion in gain medium: A method and apparatus are operative to control the desired level of population inversion in a gain medium having an amplified spontaneous emission (ASE) spectrum which is characterized by distinct short- and long-wavelength regions. The control is realized by the apparatus configured to determine a relationship between the regions of... Agent: Ipg Photonics Corporation
20140056321 - Optical amplifier and process: An optical amplifier receives a seed laser having a wavelength of 1064 nm. Amplification occurs in a segmented Nd:YVO4 gain medium pumped with a pump source. Each segment of the gain medium has a length and dopant concentration and together the segments enhance power absorption in the gain medium enabling... Agent:
20140056322 - Temperature measurement and control for laser and light-emitting diodes: The existing diodes in an LED or laser diode package are used to measure the junction temperature of the LED or laser diode. The light or laser emissions of a diode are switched off by removing the operational drive current applied to the diode package. A reference current, which can... Agent: Microsoft Corporation
20140056323 - Optical device: Provided is an optical device capable of bonding each optical part to a substrate with the same applied load by surface activated bonding even if the planar shape sizes of a plurality of optical parts to be mounted on the substrate are different from one another. The optical device includes... Agent: Citizen Holdings Co., Ltd.
20140056324 - Group-iii nitride semiconductor laser device, and method for fabricating group-iii nitride semiconductor laser device: A III-nitride semiconductor laser device including: a laser structure including a support base and a semiconductor region, the support base including a hexagonal III-nitride semiconductor and having a semipolar primary surface, and the semiconductor region being provided on the semipolar primary surface of the support base; and an electrode provided... Agent: Sumitomo Electric Industries, Ltd.02/20/2014 > 11 patent applications in 7 patent subcategories.
20140050235 - Optical systems: An optical system comprises an optical apparatus arranged to direct received light to different paths and to provide a first signal and a second signal, said first and second signals having an optical difference therebetween sufficient for distinguishing optical signals, an amplifier in optical communication with the optical apparatus for... Agent: Fianum, Ltd.
20140050234 - Ultraviolet fiber laser system: Laser master oscillator-power amplifier system for generating high pulse energy, high average power laser pulses in the ultraviolet 191.25-201.25 nm and 243-246.25 nm spectral ranges, and in the visible 450-537.5 nm spectral range with controllable pulse duration and pulse repetition rate employ a master oscillator seed laser operating in the... Agent: Veralas, Inc.
20140050236 - Discretely tunable laser device: A discretely tunable laser device is provided. The discretely tunable laser device comprises: a laser comprising a plurality of discrete output modes; an optical filter for receiving output from the laser but otherwise optically isolated from the laser, the optical filter comprising a plurality of transmission peaks, each separated by... Agent: Ranovus Inc.
20140050237 - Discretely tunable locally seeded laser device: A discretely tunable locally seeded laser device is provided. The discretely tunable locally seeded laser device comprises: a first tunable laser comprising first discrete output modes; and, a second tunable laser arranged to receive output from the first tunable laser, but otherwise optically isolated from the first tunable laser, the... Agent: Ranovus Inc.
20140050238 - Pulse light source: The pulse light source comprises a semiconductor laser outputting pulse light, an optical filter, and an optical amplifier. The optical filter outputs a chirping component of the inputted pulse light, by adjusting a relative position of a transmission spectrum of the optical filter with respect to an output spectrum of... Agent: Megaopto Co., Ltd.
20140050239 - Polarization purity control device and gas laser apparatus provided with the same: the calcium fluoride crystal substrate being formed by a flat plate having a laser beam entering surface and a laser beam exiting surface running in parallel with the (111) crystal face, the Brewster angle being selected for the incident angle, the rotation angle around the  axis operating as a... Agent: Gigaphoton Inc.
20140050241 - Semiconductor device and method for producing light and laser emission: A method for producing light emission, including the following steps: providing a transistor structure that includes a semiconductor base region disposed between a semiconductor emitter region and a semiconductor collector region; providing a cascade region between the base region and the collector region, the cascade region having a plurality of... Agent: The Board Of Trustees Of The University Of Illinois
20140050240 - Vertical-cavity surface-emitting laser with a mode control cavity and an undercut structure: A new vertical-cavity surface-emitting laser (VCESL) is provided. With an undercut structure and a diffusion structure, the VCESL obtains a controllable number of optical modes for a distributed Bragg reflector (DBR). Thus, an electrical-to-optical bandwidth and a bit-rate transmission distance in OM4 fiber reach their biggest values. Besides, a biggest... Agent:
20140050242 - Optoelectric integrated circuit: A semiconductor device includes a substrate supporting a plurality of layers that include at least one modulation doped quantum well (QW) structure offset from a quantum dot in quantum well (QD-in-QW) structure. The modulation doped QW structure includes a charge sheet spaced from at least one QW by a spacer... Agent:
20140050243 - Cmos-compatible gold-free contacts: A semiconductor metallurgy includes a ratio of germanium and palladium that provides low contact resistance to both n-type material and p-type material. The metallurgy allows for a contact that does not include gold and is compatible with mass-production CMOS techniques. The ratio of germanium and palladium can be achieved by... Agent:
20140050244 - Superluminescent diode: A superluminescent diode has, above a substrate, a layered portion including at least a first cladding layer, a luminescent layer, and a second cladding layer in this order, and an optical waveguide having a refractive-index guiding structure is provided in the layered portion. The optical waveguide includes: a first mesa... Agent: Panasonic Corporation02/13/2014 > 6 patent applications in 6 patent subcategories.
20140044139 - Single mode propagation in fibers and rods with large leakage channels: Various embodiments include large cores fibers that can propagate few modes or a single mode while introducing loss to higher order modes. Some of these fibers are holey fibers that comprising cladding features such as air-holes. Additional embodiments described herein include holey rods. The rods and fibers may be used... Agent: Imra America, Inc.
20140044140 - Method and system for suppression of stimulated raman scattering in laser materials: A composition of matter is provided having the general chemical formula K(H,D)2P(16Ox,18Oy)4, where x<0.998 or y>0.002, and x+y≈1. Additionally, a method of fabricating an optical material by growth from solution is provided. The method includes providing a solution including a predetermined percentage of (H,D)216O and a predetermined percentage of (H,D)218O,... Agent:
20140044141 - Method of control and of positioning with the aid of laser systems, and device for implementing said method: A method for adjusting laser beams (4) for scanners arranged on a support for radiotherapy, by a device consisting of a one-piece assembly (1) comprising (3) a suitable electronic control board (8), and position sensors (3) for visualizing the position of the beams (4), and adjusting them automatically by motor-driven... Agent: Cyrpa International
20140044142 - Laser with transmission and reflection mode feedback control: One embodiment is directed towards a stabilized laser including a laser to produce light at a frequency and a resonator coupled to the laser such that the light from the laser circulates therethrough. The laser also includes Pound-Drever-Hall (PDH) feedback electronics configured to adjust the frequency of the light from... Agent: Honeywell International Inc.
20140044143 - Laser with a tailored axially symmetric pump beam profile by mode conversion a waveguide: A laser device comprising a pump source (10) operable to generate a pump beam (11) for a resonant cavity in which a laser medium (74) is arranged. A beam-shaping waveguide element (18) is arranged between the pump source and the resonant cavity. Shaping of the pump beam is achieved by... Agent:
20140044144 - Vertical cavity surface emitting laser nanoscope for near-field applications: A vertical cavity surface emitting laser (VCSEL) nanoscope is provided. The VCSEL nanoscope combines a VCSEL with a nano-scale aperture using a support member to separate the aperture from the VCSEL emission face. The resulting device is a useful near-field probe with a wide variety of applications.... Agent: The Board Of Trustees Of The Leland Stanford Junior UniversityPrevious industry: Multiplex communications
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