Matches 1 - 50 out of 97 1 2 >


Match Document Document Title
US20120236895 SPLIT RING RESONATOR CREATING A PHOTONIC METAMATERIAL  
A split ring-resonator includes a substrate, an inner-trench or cavity formed into the substrate, the inner trench or cavity including a split, and an outer trench or cavity formed into the...
US20140185642 Catalytic Generation of Metastable Singlet Oxygen  
Singlet oxygen metastables can be formed. A catalytic coating is formed on an interior surface of a flow reactor, and an oxygen containing species is flowed into the flow reactor to produce...
US20130259769 Catalytic Generation of Metastable Singlet Oxygen  
Singlet oxygen metastables can be formed. A catalytic coating is formed on an interior surface of a flow reactor, and an oxygen containing species is flowed into the flow reactor to produce...
US20060222035 Alumina tube  
An excimer laser includes: an alumina tube which has a purity of 99.9% by weight or more, a density of 3.99 g/cm3 or more, an open porosity of less than 0.3%, and a dielectric strength voltage of...
US20100098128 GAS-DISCHARGE LASER  
The proposed gas discharge laser comprises extended solid main discharge electrodes, at each of which at least one ultraviolet pre-ionizer is placed, a gas flow area being formed by means of...
US20050094697 Stripline laser  
A ribbon laser has a laser gas present between elongated electrodes, whose flat surfaces lie in pairs opposite one another. The laser contains a large number of electrode pairs and a respective...
US20080285613 COLPITTS RF POWER OSCILLATOR FOR A GAS DISCHARGE LASER  
A Colpitts oscillator that includes an RF-excited gas discharge laser tube as the feedback pi-network of the Colpitts oscillator.
US20090110019 TARGET MARKING SYSTEM HAVING A GAS LASER ASSEMBLY AND A THERMAL IMAGER  
A handheld target marker is provided, wherein the target marker includes a housing retaining a gas laser, a collimating or focusing lens, a driver and a power supply. The laser produces a thermal...
US20060274806 Gas laser apparatus  
A gas laser apparatus including a laser oscillating section including a medium circuit allowing a medium gas to flow therethrough under pressure, and a gas-composition adjusting section for...
US20070133645 Controlling the spatio-temporal uniformity of a pulsed gas laser beam  
The invention relates to the control of the spatio-temporal uniformity of a pulsed gas laser beam, especially generated by a high-power excimer laser. According to the invention, two raised...
US20050100072 High power laser output beam energy density reduction  
A high power gas discharge laser for and method of producing laser output light pulses of high energy density is disclosed which may comprise a laser output light pulse beam optical track having a...
US20070002918 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...
US20050190809 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...
US20060209916 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...
US20070189353 Waveguide laser having reduced cross-sectional size and/or reduced optical axis distortion  
Certain example embodiments of this invention relate to waveguide lasers (e.g., RF-excited waveguide lasers). Certain example embodiments of this invention provide combined waveguide cover and...
US20070002919 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...
US20070071057 Blower for laser oscillator and laser oscillator  
A blower (10) includes: at least two or at least three acoustic sensors or vibration sensors (31a to 31c) attached to a casing (12); and a position specifying means (34) for specifying a position...
US20110194580 Line Narrowing Module  
An apparatus is disclosed which may comprise a grating receiving light, a first prism moveable to coarsely select an angle of incidence of the light on the grating, and a second prism moveable to...
US20100098118 LAPTOP-SIZE HIGH-ORDER HARMONIC GENERATION APPARATUS USING NEAR FIELD ENHANCEMENT  
Disclosed herein is a laptop-size high-order harmonic generation apparatus using near field enhancement. The laptop-size high-order harmonic generation apparatus using near field enhancement...
US20090110016 Gas Laser Device  
A gas laser device is presented that produces a near diffraction limited round beam exiting the discharge vessel. Through the use of a simple focusing system, additional waveguide strip and a...
US20090316746 SLAB TYPE LASER APPARATUS  
A slab type laser apparatus has a slab type gas laser medium part formed in a region defined by a pair of electrode flat plates oppositely disposed in parallel with each other in a space to be...
US20070014326 Line narrowed laser apparatus  
The control of the spectral purity width E95 is performed while imparting practically no effect to the control of a central wavelength, and the spectral purity width E95 is stabilized. A wavefront...
US20050002427 Cooled electrodes for high repetition excimer or molecular fluorine lasers  
The consumption and/or erosion of electrodes in high repetition rate gas discharge lasers, such as excimer or molecular fluorine lasers, can be reduced using any of a number of temperature...
US20090296764 FREQUENCY-AGILE RF-POWER EXCITATION FOR DRIVING DIFFUSION-COOLED SEALED-OFF, RF-EXCITED GAS LASERS  
A gas discharge laser includes a laser housing including a laser gas and an electrode-assembly for lighting a discharge in the laser gas. The electrode assembly has a first resonant frequency when...
US20080123712 Measuring water vapor in high purity gases  
Low concentrations of water vapor in a gas stream can be detected and quantified using absorption spectroscopy in the infrared spectral region. Absorption spectra can recorded using tunable diode...
US20070127537 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...
US20080130700 Apparatus for generating laser radiation  
A laser arrangement exhibits a laser rod or a laser tube (3) as well as a high-voltage connection (19) for generating the laser beam. This laser arrangement has, in addition to the high-voltage...
US20080002751 High damage threshold Q-switched CO2 laser  
A thin film polarizer (TFP) and a half-wave CdTe electro-optical crystal are utilized to achieve a higher damage threshold in Q-switching CO2 lasers for material processing applications. Half-wave...
US20090116521 ABNORMALITY DETECTION METHOD FOR GAS LASER OSCILLATOR AND GAS LASER OSCILLATOR FOR IMPLEMENTING THE METHOD  
A gas laser oscillator (1), which generates a laser beam by exciting laser gas in discharge tubes (7) with a laser power supply (4) and detecting an abnormality thereof, includes a storage unit...
US20070133643 Effective excitation, optical energy extraction and beamlet stacking in a multi-channel radial array laser system  
A laser device is comprised of multiple RF excited, diffusion-cooled slab-geometry laser-gain-channels all mounted in a radial-array configuration to provide a multi-channel laser system capable...
US20070201529 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...
US20100100085 Waveguides With Aiming Mechanisms  
Disclosed are radiation systems and methods, including a system that includes a waveguide to direct radiation from a first radiation source, a covering to cover at least part of the waveguide and...
US20070195836 Active spectral control of DUV light source  
According to aspects of an embodiment of the disclosed subject matter, a line narrowed high average power high pulse repetition laser micro-photolithography light source bandwidth control method...
US20060120427 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...
US20090116530 High power seed/amplifier laser system with beam shaping intermediate the seed and amplifier  
An apparatus and method of operation for a high power broad band elongated thin beam laser annealing light source, which may comprise a gas discharge seed laser oscillator having a resonance...
US20080219317 GAS-PURGED LASER SYSTEM AND METHOD THEREOF  
A gas-purged laser system and method of gas-purging a laser system are disclosed. One embodiment of the laser system comprises an excimer refractive surgical laser system having a laser beam...
US20060114956 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,...
US20080210545 Method and Apparatus for Producing Electric Discharges  
In producing discharges in a load element such as a magnetron sputtering device, electric pulses are provided from different electric pulse sources, e.g. three or more electric pulse sources. The...
US20080130701 Gas laser apparatus and method  
A gas discharge laser apparatus is disclosed. In an embodiment, the gas discharge laser apparatus includes a gas laser provided with a discharge chamber, and a gas storage chamber in controllable...
US20060222034 6 Khz and above gas discharge laser system  
A high pulse repetition rate gas discharge laser system pulse power system magnetic reactor may comprise a housing comprising a core containing compartment between an inner wall of the housing, an...
US20080019411 Compact sealed-off excimer laser  
An excimer laser is disclosed in which a gas-discharge is formed for exciting an excimer-forming lasing-gas mixture. The gas discharge is formed between an elongated anode electrode and a...
US20050018738 Method and apparatus for laser marking on finished glass disk media  
There is disclosed a laser marking apparatus that is able to form dome-shaped marks on a finished glass disk that are visible to naked eyes. The laser marking apparatus comprises a CO2 laser beam...
US20050286599 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...
US20070263692 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...
US20070274363 Gas laser electrodes shaped in the longitudinal axis  
A gas discharge laser includes elongated discharge electrodes having an active surface width that varies along the length of the resonator. In one example each of the electrodes is formed by a row...
US20070030875 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...
US20110085575 DIGITAL PULSE-WIDTH-MODULATION CONTROL OF A RADIO FREQUENCY POWER SUPPLY FOR PULSED LASER  
A pulse width modulation method for controlling the output power of a pulsed gas discharge laser powered by a pulsed RF power supply comprises delivering a train of digital pulses to the RF power...
US20050058172 System and method for segmented electrode with temporal voltage shifting  
The stability of a gas discharge in an excimer or molecular fluorine laser system can be improved by generating multiple discharge pulses in the resonator chamber, instead of a single discharge...
US20140023101 SINGLE-CAVITY DUAL-ELECTRODE DISCHARGE CAVITY AND EXCIMER LASER  
A single-cavity dual-electrode discharge cavity and an excimer laser including such a discharge cavity are disclosed. The discharge cavity may comprise a cavity body and two sets of main discharge...
US20140328364 LASER APPARATUS  
When a chamber of an oscillator and one or more amplifiers is to be replaced at the timing when a predetermined period elapses, one of the chambers of the oscillator and the amplifiers having a...

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