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Coherent Light Generators > Particular Active Media > Gas GasGas patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.11/15/07 - 20070263692 - Gas slab laser The invention relates to a gas slab laser comprising a gas-filled chamber limited by a housing (1, 2, 3). The laser is provided with at least two high-frequency excited electrodes (5, 6) that extend into the housing and overlap. The electrodes define a discharge chamber (14). The laser is additionally ... 10/25/07 - 20070248136 - Laser apparatus having multiple synchronous amplifiers tied to one master oscillator Laser apparatus and methods involving multiple amplified outputs are disclosed. A laser apparatus may include a master oscillator, a beam splitter coupled to the master oscillator, and two or more output heads optically coupled to the beam splitter. The beam splitter divides a signal from the master oscillator into two ... 08/30/07 - 20070201529 - Optical oxygen laser and method An optical oxygen laser has a source of oxygen. A cryoreactor has an input connected to the source of oxygen. An optical pump is coupled to the cryoreactor and excites the oxygen to form an singlet delta oxygen, an excited state of oxygen. An optical resonator cavity receives the excited ... 07/12/07 - 20070160103 - Gas discharge laser light source beam delivery unit A beam delivery unit and method of delivering a laser beam from a laser light source for excimer or molecular fluorine gas discharge laser systems in the DUV and smaller wavelengths is disclosed, which may comprise: a beam delivery enclosure defining an output laser light pulse beam delivery path from ... 06/07/07 - 20070127537 - Performing robust cost analysis of a gas laser application A system that performs an analysis of a gas laser application comprises a receiver component that receives an identity of a gas laser and parameters relating to intended use of the gas laser. An analysis component automatically generates a cost analysis of the gas laser application based at least in ... 05/03/07 - 20070098033 - External optics and chamber support system A gas discharge laser and method of operating same is disclosed which may comprise a gas discharge laser chamber support structure comprising a first support arm attached to a mounting table; a gas discharge laser chamber slideably engaging the first support arm; an first optical element sensitive to chamber vibration ... 04/26/07 - 20070091969 - Gas laser oscillator A gas laser oscillator appropriately detecting a clogging of a laying pipe of a sub ejection apparatus is disclosed. The gas laser oscillator according to the present invention includes a laser gas flow pipe, a driving part, a divide wall, a main ejection apparatus, a sub ejection apparatus, a detect ... 04/26/07 - 20070091968 - Two-stage laser system for aligners The invention relates to a two-stage laser system well fit for semiconductor aligners, which is reduced in terms of spatial coherence while taking advantage of the high stability, high output efficiency and fine line width of the MOPO mode. The two-stage laser system for aligners comprises an oscillation-stage laser (50) ... 03/01/07 - 20070047610 - High frequency discharge excited gas laser oscillator A high-frequency discharge excited gas laser oscillator receiving power from a laser power supply controlled by a pulse command, the high-frequency discharge excited gas laser oscillator provided with a power detecting section for detecting supply power from the laser power supply to a discharge tube and a pulse command control ... 02/22/07 - 20070041418 - Pulsed rf high pressure co2 lasers An improved laser system includes a sealed-off, RF excited, diffusion cooled, high pressure, short pulsed, high peak power waveguide and slab CO2 laser that avoids problems typically associated with obtaining a diffused discharge at high gas pressures, without arcing and without corona, while maintaining the unsaturated gain and gas temperature ... 02/22/07 - 20070041417 - Lighting system A lighting system includes a microwave resonator (2) for generating a standing microwave in the internal space, and a gas cell (6) enclosing a medium is disposed in the internal space of the microwave resonator 2. The lighting system excites the medium in the gas cell (6) by the standing ... 02/15/07 - 20070036193 - Laser with brayton cycle outlet pump A chemical oxygen-iodine laser (COIL) comprises an oxygen generator and a nozzle for accelerating generated oxygen to a high or supersonic velocity. A laser cavity is coupled to the nozzle, wherein the accelerated fluid, with injected iodine, is employed as a laser gain medium. A Brayton cycle outlet pump employs ... 02/08/07 - 20070030875 - Laser processing device A laser processing device (100) includes a laser oscillator (2), a laser machine (11) and a control means (1) for controlling the laser oscillator and the laser machine. The control means includes a storage means (50) for storing the processing program (60) for the work to be processed. The storage ... 01/04/07 - 20070002919 - Gas discharge laser line narrowing module A line narrowed gas discharge laser system and method of operating same is disclosed which may comprise a dispersive center wavelength selective element; a beam expander comprising a plurality of refractive elements; a refractive element positioning mechanism positioning at least one of the refractive elements to modify an angle of ... 01/04/07 - 20070002918 - Acoustic shock-wave damping in pulsed gas-laser discharge An excimer laser has a laser chamber containing a laser gas and including an electrode assembly for firing gas discharge pulses in the laser gas for pumping the laser. The electrode assembly includes two elongated electrodes, one or both of which is partially covered by a ceramic foam. The electrodes ... 12/28/06 - 20060291518 - Laser filament imager An apparatus includes a gas chamber comprising a gas feed nozzle, an exhaust nozzle, and a window. The apparatus also includes a first partial reflector, in the gas chamber, sharing an optical path with the exhaust nozzle, and the window. Optionally, The apparatus includes a gas source communicating with the ... 12/28/06 - 20060291517 - High pulse repetition rate gas discharge laser A pulsed gas discharge laser operating at an output laser pulse repetition rate of greater than 4 kHz and a method of operating same is disclosed which may comprise a high voltage electrode having a longitudinal extent; a main insulator electrically insulating the high voltage electrode from a grounded gas ... 11/23/06 - 20060262825 - Capillary discharge x-ray laser A compact, high repetition rate, extreme ultraviolet/soft x-ray laser and method for generating such radiation are described. Excitation of the gaseous or vaporous lasing medium is achieved by discharging energy stored in a solid-dielectric capacitive device through a capillary channel containing the medium. By reducing the inductance of the discharge ... 10/19/06 - 20060233212 - Blower used for laser oscillator In an laser oscillator (100), a blower (10, 20, 120) for circulating a laser medium between an electric discharge tube (102) and a circulating passage (104) includes: a casing (12) having a suction port (12a) and an exhaust port (12b); and a blade (18) pivotally supported in the casing (12) ... 10/12/06 - 20060227839 - Gas discharge laser output light beam parameter control A line narrowed gas discharge laser system and method of operation are disclosed which may comprise: an oscillator cavity; a laser chamber comprising a chamber housing containing a lasing medium gas; at least one peaking capacitor electrically connected to the chamber housing and to a first one of a pair ... 09/21/06 - 20060209917 - Control system for a two chamber gas discharge laser The present invention provides a control system for a modular high repetition rate two discharge chamber ultraviolet gas discharge laser. In preferred embodiments, the laser is a production line machine with a master oscillator producing a very narrow band seed beam which is amplified in the second discharge chamber. Novel ... 09/21/06 - 20060209916 - Very high repetition rate narrow band gas discharge laser system A laser system and method is disclosed which may comprise a first line narrowed gas discharge laser system producing a first laser output light pulse beam at a pulse repetition rate of ≧2000 Hz; a second line narrowed gas discharge laser system producing a second laser output light pulse beam ... 07/06/06 - 20060146905 - Excimer laser with electron emitters An apparatus, system, and method for an excimer laser having lasing gas and electron emitters emitting electrons upon the application of an emitting voltage is described herein. ... 06/15/06 - 20060126697 - Very narrow band, two chamber, high rep-rate gas discharge laser system An oscillator-amplifier gas discharge laser system and method is disclosed which may comprise a first laser unit which may comprise a first discharge region which may contain an excimer or molecular fluorine lasing gas medium; a first pair of electrodes defining the first discharge region containing the lasing gas medium, ... 06/08/06 - 20060120427 - Novel method for the determination of gaseous mercury (0) The object of this invention is a novel method for the LASER Induced Fluorescence (LIF) detection and quantitative determination of gaseous mercury (o) in several gas matrixes. Mercury is a metal having not negligible vapor pressure at standard pressure and temperature. It has been related to a number of atmospheric ... 06/01/06 - 20060114958 - Method and apparatus for gas discharge laser bandwidth and center wavelength control A gas discharge laser system bandwidth control mechanism and method of operation for controlling bandwidth in a laser output light pulse generated in the gas discharge laser system is disclosed which may comprise a bandwidth controller which may comprise an active bandwidth adjustment mechanism; a controller actively controlling the active ... 06/01/06 - 20060114957 - Line narrowing module A line narrowing method and module for a narrow band DUV high power high repetition rate gas discharge laser producing output laser light pulse beam pulses in bursts of pulses, the module having a nominal optical path are disclosed which may comprise: a dispersive center wavelength selection optic moveably mounted ... 06/01/06 - 20060114956 - High power high pulse repetition rate gas discharge laser system bandwidth management A line narrowing apparatus and method for a narrow band DUV high power high repetition rate gas discharge laser producing output laser light pulse beam pulses in bursts of pulses is disclosed, which may comprise a dispersive center wavelength selection optic contained within a line narrowing module, selecting at least ... 04/13/06 - 20060078028 - Discharge excitation type pulse laser apparatus For the purpose of providing a discharge excitation type pulse laser apparatus capable of reducing disturbance of the discharge space caused by shock waves, the discharge excitation type pulse laser apparatus according to the present invention is designed for generating a pulsed main discharge by applying a high voltage between ... 03/16/06 - 20060056478 - Laser gas replenishment method Output beam parameters of a gas discharge laser are stabilized by maintaining a molecular fluorine component at a predetermined partial pressure using a gas supply unit and a processor. The molecular fluorine is subject to depletion within the discharge chamber. Gas injections including molecular fluorine can increase the partial pressure ... 02/23/06 - 20060039435 - Apparatus for generating light in the extreme ultraviolet and use in a light source for extreme ultraviolet lithography The device comprises a device (2) for creating an essentially linear target (4) in an evacuated space where laser beams (1) are focused, the target being suitable for interacting with the focused laser beams (1) to emit a plasma emitting radiation in the extreme ultraviolet. A receiver device (3) receives ... 02/09/06 - 20060029116 - Dielectric coupled co2 slab laser A slab laser includes two elongated electrodes arranged spaced apart and face-to-face. Either one or two slabs of a solid dielectric material extend along the length of the electrodes between the electrodes. A discharge gap is formed either between one of the electrodes and one dielectric slab, or between two ... 01/12/06 - 20060007978 - Bandwidth-limited and long pulse master oscillator power oscillator laser systems Laser systems have a line-narrowed master oscillator and a power oscillator for amplifying the output of the master oscillator. The power oscillator includes optical arrangements for limiting the bandwidth of radiation that can be amplified. The limited amplification bandwidth of the power oscillator is relatively broad compared to that of ... 12/29/05 - 20050286599 - Method and apparatus for gas discharge laser output light coherency reduction A method and apparatus for producing with a gas discharge laser an output laser beam comprising output laser light pulses, for delivery as a light source to a utilizing tool is disclosed which may comprise a beam path and a beam homogenizer in the beam path. The beam homogenizer may ... 12/29/05 - 20050286598 - Laser output beam wavefront splitter for bandwidth spectrum control An apparatus and method for providing bandwidth control in a narrow band short pulse duration gas discharge laser output light pulse beam producing system, producing a beam comprising laser output light pulses at a selected pulse repetition rate, is disclosed which may comprise a dispersive bandwidth selection optic selecting at ... 12/22/05 - 20050281306 - Injection locking type or mopa type of laser device An injection locking type or MOPA type of laser device capable of always providing stable output energy and wavelength is provided. For this purpose, the laser device includes an oscillator for exciting laser gas by oscillator discharge and oscillating seed laser light with band-narrowed wavelength, an amplifier for amplifying the ... 12/01/05 - 20050265417 - Control system for a two chamber gas discharge laser The present invention provides a control system for a modular high repetition rate two discharge chamber ultraviolet gas discharge laser. In preferred embodiments, the laser is a production line machine with a master oscillator producing a very narrow band seed beam which is amplified in the second discharge chamber. Novel ... 11/24/05 - 20050259709 - Systems and methods for implementing an interaction between a laser shaped as a line beam and a film deposited on a substrate A laser crystallization apparatus and method are disclosed for selectively melting a film such as amorphous silicon that is deposited on a substrate. The apparatus may comprise an optical system for producing stretched laser pulses for use in melting the film. In still another aspect of an embodiment of the ... 10/27/05 - 20050238077 - Method and apparatus for controlling the output of a gas discharge mopa laser system A method and apparatus are disclosed for controlling the output of a two chamber gas discharge laser comprising an oscillator gas discharge laser and an amplifier gas discharge laser that may comprise establishing a multidimensional variable state space comprising a coordinate system having at least two coordinates, each coordinate comprising ... 10/13/05 - 20050226300 - Very high repetition rate narrow band gas discharge laser system A method and apparatus for producing a very high repetition rate gas discharge laser system in a MOPA configuration is disclosed which may comprise a master oscillator gas discharge layer system producing a beam of oscillator laser output light pulses at a very high pulse repetition rate; at least two ... 09/01/05 - 20050190809 - Ultraviolet, narrow linewidth laser system A laser device is provided for generating an ultraviolet output. The device comprises a laser having at least one diode-pumped alkali metal vapor gain cell for generating a near infrared laser output, and at least two optically-nonlinear crystals. In one particular embodiment, the laser uses a Rb gas cell and ... 08/25/05 - 20050185690 - Method and apparatus for controlling the output of a gas discharge laser system The present invention relates to a fluorine gas discharge laser system and control of replenishment of fluorine gas as the gas discharge laser operates and consumes fluorine. ... 08/18/05 - 20050180483 - Co2 slab laser CO2 slab laser having a gas-filled tubular housing, sealed off at both ends by end pieces, which accommodates two overlapping electrodes extending into the tubular housing and mirrors arranged in the region of the electrodes, where each of the two end pieces holds an electrode, the mirrors are arranged stationary ... 08/11/05 - 20050175054 - Dielectric coupled co2 slab laser An slab CO2 laser includes spaced-apart elongated slab electrodes. A lasing gas fills a discharge gap between the electrodes. An RF power supply is connected across the electrodes and sustains an electrical discharge in the lasing gas in the discharge gap. Either one or two ceramic inserts occupy a portion ... 07/28/05 - 20050163183 - Pre-ionizer for rf-energized gas laser A pre-ionizing arrangement for a gas laser includes two ceramic-jacketed ionizer electrodes extending into an enclosure including spaced-apart slab electrodes of the laser and a lasing gas at reduced pressure. RF power is applied to the dielectric-jacketed ionizer electrodes creating a gas discharge between the dielectric-jacketed ionizer electrodes. This discharge ... 06/30/05 - 20050141580 - Laser thin film poly-silicon annealing system A gas discharge laser crystallization apparatus and method for performing a transformation of a crystal makeup or orientation in a film on a workpiece is disclosed, which may comprise a master oscillator power amplifier MOPA or power oscillator power amplifier configured XeF laser system producing a laser output light pulse ... 06/23/05 - 20050135451 - Method and apparatus for controlling the output of a gas discharge mopa laser system A method and apparatus are disclosed for controlling the output of a two chamber gas discharge laser comprising an oscillator gas discharge laser and an amplifier gas discharge laser that may comprise establishing a multidimensional variable state space comprising a coordinate system having at least two coordinates, each coordinate comprising ... ### FreshPatents.com Support |