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4264868 |
High power gas laser amplifier
A high power output CO 2 gas laser amplifier having a number of sections, each comprising a plurality of annular pumping chambers spaced around the circumference of a vacuum chamber containing a...
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4258334 |
Noble gas-halogen transfer laser method and means
Halogen transfer laser method and means are disclosed employing a dilute mixture of molecular halogen vapor in high pressure noble gas. Noble gas atoms and molecules are excited by use of electrons...
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4255720 |
Variable diameter segmented hollow cathode laser device
A laser device for generating multiline emissions when appropriately energized. The device consists of two major components, an anode-cathode assembly and, in a first embodiment, an adjustable...
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4250468 |
Technique for CW or quasi CW operation of planar electrode laser apparatus
A glow discharge device positioned upstream in a flow laser gas system supplies a continuous flow of electrons to a laser discharge region defined between planar laser electrodes to develop...
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4249143 |
Xenon fluoride and mercury chloride photodissociation lasers
An optically pumped laser which is operative by photolysis of a rare gas (RG)-halogne atom (X) compound (RGX 2 ) which creates lasing from the RGX* molecule the RGX* molecule being diatomic. This...
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4249139 |
CO.sub.2 laser emitting at 16 microns in 02°0-01'0 transition
A CO 2 laser capable of emitting at 16 microns in the transition from the 02°O to the 01'0 energy levels. The laser is particularly adaptable for use in laser enrichment to photoexcite uranium...
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4238741 |
Technique for generating 14 and 16 micron CO.sub.2 laser radiation
The direct electrical discharge excitation, pulsed or CW, of a laser gas medium consisting of CO 2 :N 2 :He present in the approximate ratio of 1:2:25 at a total gas pressure of between...
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4236123 |
High-power CO laser
This application discloses a laser which is free from dependence on oxygen atom dissociators and does not require any electrical input. It is a purely chemical CO laser. This invention discloses a...
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4234856 |
Gasdynamic solar powered laser
A stabilized-satellite power system located outside of the earth's atmosphere collects solar energy, converting it by dynamic gas laser interaction into a beam of infrared energy directed toward a...
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4229712 |
Matrix nozzle for mixing lasers
The matrix nozzle for mixing lasers in which an inner tube forms a path for he primary flow and a chamber around the inner tube opens around the outer periphery of the inner tube to form a flow...
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4228407 |
Ion-beam-excited gas laser
A high-power gas laser pumped by an intense, pulsed, space charge-and current-neutralized ion beam. A high-pressure gas in the laser cavity is ionized by an ion beam. Atomic processes occur which...
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4225831 |
CW Scalable donor-acceptor gas transfer laser
A donor gas, such as helium or argon, is pumped into a receiving end of a chamber formed with widely-diverging walls providing an expanded area at its delivery end. Electrodes mounted in the...
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4220933 |
Baffle/nozzle array for cylindrical lasers
A nozzle/baffle array for use within the gain generator of a cylindrical laser. The nozzle/baffle array is made of a nozzle assembly and a plurality of baffles. The baffles extend in the radial...
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4215324 |
Spatial encoding of a laser beam by means of a Stark cell modulator
Apparatus for coding a laser beam to provide guidance signals, or the like. In the transmitter, the laser beam traverses two modulators to provide two-dimensional encoding. In the receiver, the...
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4210877 |
Split ground state atomic iodine or bromine laser
An atomic iodine laser based on the electrical dissociation of CF 3 I in a gas mixture produces excited atomic iodine in the upper level of its split ground state which subsequently lases at 1.315...
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4206429 |
Gas dynamic mixing laser
A high power gas dynamic mixing laser capable of having an energizing gas formed by an exothermic decomposition process is disclosed. The laser includes a housing having a reaction chamber in which...
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4200819 |
Unitary supersonic electrical discharge laser nozzle-channel
The nozzle and laser channel walls for a supersonic electrical discharge gas laser are formed from fully contoured single pieces of dielectric material. The axially symmetric, two-dimensional wall...
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4196403 |
Multi-line ammonia laser utilizing intra-molecular energy transfer via a buffer gas
The disclosed laser employs a working gas comprising ammonia and a buffer gas which is chemically non-reactive with ammonia. A pumping laser beam at a wavelength of 9.2 μm, provided by a carbon...
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4194170 |
Shifting of infrared radiation using rotational raman resonances in diatomic molecular gases
A device for shifting the frequency of infrared radiation from a CO 2 laser by stimulated Raman scattering in either H 2 or D 2 . The device of the preferred embodiment comprises an H 2 Raman...
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4190511 |
Method of manufacturing an internal mirror type gas laser tube
A metallic member is disposed in the vicinity of a mirror within an internal mirror type gas laser tube, and an electric discharge is excited between an internal laser anode and the metallic...
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4188120 |
Radioiodine detector based on laser induced fluorescence
The invention involves the measurement of the concentration of the radioisotope 129 I 2 in the presence of a gas. The invention uses a laser to excite a sample of the 129 I 2 in a sample gas...
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4177435 |
Optically pumped laser
An optically pumped laser system having a configuration capable of efficiently coupling pumping radiation with a gain medium to provide an outlet beam having a wavelength in the ultraviolet and...
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4176326 |
CF.sub.4 laser
A CF 4 laser for producing near 16 μm radiation utilizing a line tunable CO 2 laser as an optical pumping source. The device uses a cryogenically cooled optically pumped cell containing...
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4168474 |
Generation of 14 μm and 16 μm laser radiation from a CO.sub.2 gas laser
Described herein is a technique for generating 16 μm laser radiation from a CO 2 molecular gas laser system by use of the 02 0 0-01 1 0 vibrational transition of CO 2 . The technique employs a...
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4165773 |
Method for producing electronically excited nitrogen fluoride
Electronically excited nitrogen fluoride is formed by reacting fluorine atoms with azide radicals according to the reaction: F+N 3 ➝NF*+N 2 . in a preferred embodiment, the azide radical is...
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4145668 |
Optical resonance pumped transfer laser with high multiline photon-to-single-line photon conversion efficiency
Lasers are disclosed wherein trapped multiline laser radiation from a DF laser is employed to pump a DF-CO 2 working gas mixture within the optical resonator for the DF laser. The multiline...
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4140978 |
Method and apparatus for producing laser radiation following two-photon excitation of a gaseous medium
Method and apparatus for producing laser radiation by two-photon optical pumping of an atomic or molecular gaseous medium and subsequent lasing action. A population inversion is created as a result...
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4137509 |
Tunable laser based upon S.sub.2, Te.sub.2 and other selected dimers
Lasing can be achieved by pumping a laser cell containing a vapor formed predominantly of Group VI dimers such as S 2 , Te 2 , Se 2 , TeO, TeSe, TeS and SeS, from a ground electronic state to a...
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4129836 |
Frequency stable boron nitride channel laser
A CW waveguide channel gas laser constructed from boron nitride which due its high thermal conductivity and extremely low thermal expansivity provides increased frequency stability.
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4126832 |
Diffraction grating coupled optically pumped laser
An optically pumped submillimeter laser system having a laser cavity which contains therein a diffraction grating. The diffraction grating is used simultaneously as an efficient first order...
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4121176 |
Atomic and molecular resonance laser
Method and apparatus for generating electromagnetic energy by creating a population inversion between upper and lower energy levels in a target substance. The population inversion is maintained by...
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4112390 |
Laser generator device emitting at a wavelength close to 1.3 microns
The invention relates to a laser generator device emitting at a wavelength of 1.3 microns. This device includes a laser oscillator with a neodymium-doped glass, an iodine gas amplifier disposed at...
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4102988 |
Cyano compounds as fuels for HF or DF lasers
A cyano compound fuel selected from the group consisting of dicyanoacetylene (DCA), tetracyanoethylene (TCE), and tetracyanoethylene oxide (TCEO) when reacted with an oxidizer compound selected...
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4099138 |
Chemically fueled laser
This application relates to fuel for a chemical laser in which carbon monosulfide (CS) is reacted with oxygen atoms (O) to fuel a carbon monoxide (CO) chemical laser. The use of carbon monosulfide...
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4087763 |
Method and apparatus for secondary laser pumping by electron beam excitation
An electron beam of energy typically 100 keV excites a fluorescer gas which emits ultraviolet radiation. This radiation excites and drives an adjacent laser gas by optical pumping or photolytic...
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4087764 |
Gaseous thin film acoustically tuned laser
A thin film laser typcially operating in the region of 1,000 to 10,000 A. First and second electrodes are mounted in a fluid container in spaced relation with a dielectric block in the gap between...
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4075579 |
Gaseous laser medium and means for excitation
A gaseous laser medium is photodissociated into an upper laser state by vacuum ultraviolet light from an electrically excited noble gas mixed with the laser medium. A gaseous laser medium, such as...
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4068193 |
Gas laser system
A gas laser system utilizing a mixture of water vapor and hydrogen deuteride wherein molecular vibrations are excited in the hydrogen deuteride in an electric discharge and the vibrational energy...
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4068196 |
Iodine gas laser device
A gas containing an active iodine compound is circulated through a laser tube, a purifying device and a gas reconstitution device. The active compound is consumed by lasing in the laser tube, waste...
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4056789 |
Electric discharge gas dynamic laser
An electric discharge gas dynamic laser in which excitation of one gas species is obtained in a plenum by use of a dc glow discharge. The gas present in the plenum is then accelerated through an...
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4053845 |
Optically pumped laser amplifiers
Optically pumped laser amplifiers are disclosed. One type of such amplifier utilizes an excitable medium, the atoms, ions or molecules of said medium having well defined energy states including a...
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4050034 |
In cavity pumping for infrared laser
A far infrared laser having a CO 2 laser gas cell located in the same optical cavity as the far infrared cell. The CO 2 gas is made to flow through the CO 2 cell within the laser cavity and the...
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4039971 |
Fast discharge, high power, electric discharge pumped gas laser
Laser emission from rare gas-halogen molecules, particularly krypton fluoride, is produced by a chemical reaction initiated by an efficient, high-power, high repetition-rate, fast electric...
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4034226 |
Method of and means for producing radiation in the X-ray region
A method for producing stimulated emission of radiation in the X-ray region comprising the steps of: selecting as an active medium a system having the following properties; two energy levels...
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4028635 |
Vibration energy transfer laser
The invention concerns a vibration energy transfer laser. Vibration energy which is transferred by molecular interaction to bromhydric acid which can then produce infra-red light by stimulated...
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4025818 |
Wire ion plasma electron gun
A high voltage glow discharge power source providing a plurality of glow discharges by gas ignition within an first elongated member, which member has a central bore along the axis of elongation of...
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4007430 |
Continuous plasma laser
A method and apparatus for producing intense, coherent, monochromatic light from a low temperature plasma are disclosed. The apparatus includes a housing for confining a gas at subatmospheric...
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3982200 |
Electron beam gas discharge laser pressure control
A two chamber electrically pumped electron beam stabilized gas discharge laser is enabled to operate at lower electron accelerating voltages for given power applications through provision of very...
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3982209 |
Combustion-electric laser
Working gas for an electron beam discharge laser is generated by an airbreathing, hydrocarbon fuel burning, turbocompressor engine and shaft power of the engine may be utilized to drive a generator...
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3982205 |
Method for producing a lasable gaseous mixture for use in and operation of electron beam-sustainer stabilized carbon dioxide lasers
A method of producing a lasable gaseous mixture for use in and operation of electron beam-sustainer carbon dioxide lasers comprising burning a hydrocarbon fuel to produce substantially oxygen free...
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