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Coherent Light Generators > Particular Active Media > Gas

Gas

Gas patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

10/02/14 - 20140294033 - Laser
A laser includes a total reflective mirror, an output mirror, a discharge lamp, and an active laser medium. The total reflective mirror, the output mirror, and the discharge lamp define a resonant cavity. The active laser medium is filled in the resonant cavity. The total reflective mirror includes a body,...

08/21/14 - 20140233597 - Laser device
The invention relates to a laser device comprising at least three linear laser gain volumes (12) for a gas to be excited, connecting elements (20) for connecting adjacent laser gain volumes, the laser gain volumes being mechanically coupled to other, and forming a common volumetric space, excitation means (50) for...

07/03/14 - 20140185642 - 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 singlet oxygen metastables by a chemical reaction in the presence of the catalytic coating....

11/21/13 - 20130308673 - Slab laser
In a slab laser, a gas mixture containing carbon dioxide CO2 is formed as a laser-active medium in a discharge space which is formed between two plate-shaped metal electrodes, the flat faces of which are located opposite one another. A resonator mirror is arranged on each of the mutually opposite...

09/12/13 - 20130235893 - Transmissive optical device, laser chamber, amplifier stage laser device, oscillation stage laser device and laser apparatus
A transmissive optical device includes a crystal part including a c-axis in a crystal structure. The crystal part is configured to include a surface to receive a laser beam. The c-axis is arranged to be inclined relative to an incident direction of the laser beam in a plane of incidence...

08/08/13 - 20130202006 - Gas filled hollow fiber laser
Apparatus, systems, and methods using an optically pumped gas filled hollow fiber laser can be implemented in a variety of applications. In various embodiments, operation of an optically pumped gas filled hollow fiber laser is based on population inversion in the gas. Additional apparatus, systems, and methods are disclosed....

05/09/13 - 20130114637 - Method and device for obtaining an optical discharge in a gas
New in the author's opinion is that the device further comprises a laser which is a set of disk or diode laser segments located on the surface of a sphere centered at the point of intersection of the optical axis....

04/25/13 - 20130100979 - High-power laser focusing apparatus with pressurized housing and aerodynamic window
A high-powered laser beam focusing apparatus for use in laser welding applications that includes a laser having a beam delivery fiber for generating a laser beam and a housing adapted to receive the beam delivery fiber. The housing further includes a first internal chamber adapted to receive a flow of...

01/03/13 - 20130003772 - 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...

01/03/13 - 20130003773 - System and method for automatic gas optimization in a two-chamber gas discharge laser system
A system and method for automatically performing gas optimization after a refill in the chambers of a two chamber gas discharge laser such as an excimer laser is disclosed. The laser is continuously fired at a low power output, and the gas in the amplifier laser chamber bled if necessary...

11/08/12 - 20120281728 - Waveguide co2 laser with mutiply 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 mirrors are arranged to form a laser-resonator having...

09/20/12 - 20120236895 - 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 substrate around the inner trench or cavity, the outer trench or cavity including another split disposed at an opposite...

09/20/12 - 20120236896 - Atmosphere stabilization method and laser processing apparatus
Disruption of a gas atmosphere does not occur when a substrate is rotated 90° after it is carried into a laser processing apparatus. The substrate is carried such that a gas ejection port is positioned near a midportion of a first side of the substrate. The substrate is linearly moved...

07/26/12 - 20120189031 - Gas laser discharge pre-ionization using a simmer-discharge
A gas discharge laser including a lasing gas between discharge electrodes and has a power supply for generating RF pulses to be delivered to the electrodes of the laser for energizing the lasing gas. A sequence of RF simmer pulses is delivered to the electrodes. The simmer pulses create sufficient...

05/17/12 - 20120120980 - Molecular hydrino laser
This invention comprises a laser based on hydrogen molecules designated H2(1/p) wherein the internuclear distance of each is about a reciprocal integer p times that of ordinary H2. The H2(1/p) molecules are vibration-rotationally excited and lase with a transition from a vibration-rotational level to another lower-energy-level other than one with...

04/12/12 - 20120087386 - Laser system
An apparatus/method may comprise a line narrowed pulsed lithography laser light source which may comprise: a seed pulse providing laser system which may comprise: a first pulsed seed laser producing seed pulses at a rate of X kHz; a second pulsed seed laser producing seed pulses at a rate of...

02/09/12 - 20120033703 - Hermetically-sealed rf feed-through with integrated capacitor
A carbon-dioxide (CO2) gas-discharge slab laser includes elongated discharge-electrodes in a sealed enclosure. Radio Frequency (RF) power is supplied to the electrodes via an impedance matching network and a co-axial electrical low inductance transmission line feed-through sealed to the enclosure. The feed-trough includes two spring contacts which are configured to...

11/10/11 - 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...

08/11/11 - 20110194580 - 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 finely select an angle of incidence of the light on the grating. In one application, the...

08/11/11 - 20110194581 - Arrangement for rf power delivery to a gas discharge laser with cascaded transmission line sections
RF power is transmitted to a CO2 gas discharge laser form a source of RF power via a series combination of transmission line sections. The lengths and characteristic impedances of the transmission line sections are selected to transform the impedance of the RF power source to the operating impedance of...

07/28/11 - 20110182319 - Co2 laser output power control during warm-up
A CO2 gas discharge laser includes a housing enclosing spaced-apart electrodes and a lasing gas. A laser resonator extends between the spaced-apart electrodes. An RF power supply provides RF power for creating a discharge in the lasing gas, causing laser radiation to be delivered by the laser resonator. The power...

04/14/11 - 20110085580 - Pre-ionization method for co2 gas-discharge laser
An RF powered CO2 gas-discharge laser includes discharge electrodes and a lasing gas mixture between the electrode. The lasing gas mixture is ionized when the RF power is applied to the electrodes and laser action is initiated when the RF power has been applied for a duration sufficient to ignite...

03/10/11 - 20110058588 - Drive laser for euv light source
A device is described herein which may comprise an oscillator having an oscillator cavity length, L0, and defining an oscillator path; and a multi-pass optical amplifier coupled with the oscillator to establish a combined optical cavity including the oscillator path, the combined cavity having a length, Lcombined, where Lcombined=(N+x)*L0, where...

01/13/11 - 20110007772 - Phase-matched generation of coherent soft and hard x-rays using ir lasers
Phase-matched high-order harmonic generation of soft and hard X-rays is accomplished using infrared driving lasers in a high-pressure non-linear medium. The pressure of the non-linear medium is increased to multi-atmospheres and a mid-IR (or higher) laser device provides the driving pulse. Based on this scaling, also a general method for...

07/29/10 - 20100189156 - Radio frequency excited gas laser source
There is described a gas laser comprising a pair of substantially mutually parallel and opposed electrodes (17, 37), between which a volume is defined containing a gas in which said electrodes generate a discharge. At opposed ends of the electrodes, in said volume, mirrors (65) are arranged to define a...

04/29/10 - 20100103974 - Thermal distortion compensation for laser mirrors
A laser mirror assembly is disclosed with improved pointing stability. An elongated mirror includes a concave reflecting portion. A pair of elongated planar portions extend parallel to the concave reflecting portion on either side thereof. The planar portions are stepped down from the reflecting portion. The mirror is formed from...

03/25/10 - 20100074295 - Immersion lithography laser light source with pulse stretcher
An apparatus and method are disclosed which may comprise a pulsed gas discharge laser lithography light source which may comprise a seed laser portion providing a seed laser output light beam of seed pulses; an amplifier portion receiving the seed laser output light beam and amplifying the optical intensity of...

03/04/10 - 20100054295 - 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...

12/24/09 - 20090316746 - 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 filled with a gas laser medium which is excited by high-frequency electric power....

05/07/09 - 20090116530 - 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 cavity, providing a seed laser output pulse; a gas discharge amplifier laser amplifying the seed laser output pulse to...

04/30/09 - 20090110019 - 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 infrared beam which can be selectively directed to impinge upon a target. The impinging beam is viewable...

03/12/09 - 20090067467 - Pre-ionizer for pulsed gas-discharge laser
In a CO2 laser a pre-ionizer is assembled in a flange configured to be attached to a laser-gas enclosure of the laser over an aperture in a wall of the enclosure. An aperture in the base of the flange is aligned over the aperture in the enclosure wall. The aperture...

03/12/09 - 20090067468 - Laser system
A method/apparatus may comprise a laser light source which may comprise a solid state seed laser system producing a seed laser output having a nominal center wavelength at a pulse repetition rate; a first and a second gas discharge laser amplifier gain medium each operating at a pulse repetition rate...