Matches 101 - 150 out of 192 < 1 2 3 4 >
Match Document Document Title
4453914 Low heat loss laser combustion chamber  
A low heat loss combustion chamber for a gain generator assembly is shown. The gain generator assembly operates in a cylindrical gas laser. The combustion chamber includes a plurality of primary...
4424585 Chemical laser nozzle blade support system  
A chemical laser nozzle blade support system which incorporates therein at least two continuous flexure member to secure the nozzle blades of the laser to the laser body. The blade and flexure...
4418413 Chemical laser inhibited for pulsed output  
A laser cavity 15 is continuously flown through by a gas such as metastable iodine and other reactants, but continuous wave lasing is inhibited, except for brief periods to obtain pulsating...
4413344 Method of operating a gasdynamic CO.sub.2 -laser  
A gasdynamic CO 2 -laser in which the lasing medium is being cooled by expansion in a Laval nozzle, is operated in a way to amplify the cooling effect. This increased cooling is accomplished by...
4413345 Gasdynamic laser  
In a gasdynamic laser in which the hot flowing lasing medium (e.g. CO 2 --N 2 ) is cooled by expansion in a Laval nozzle 1, liquid droplets are introduced into the expanding lasing medium to...
4397024 Technique for amplifying two or more laser beams in a single laser amplifier  
Multiple input laser pulses, wherein each pulse serves to create the population inversion for the next pulse, are amplified in the laser medium of a single laser amplifier apparatus.
4375687 Hypersonic wedge nozzle for chemical lasers  
A hypersonic wedge nozzle for chemical lasers that has a radially diverging low primary nozzle with a multiplicity of hypersonic wedge type secondary injection wedges at the exit end of the primary...
4369514 Recombination laser  
An efficient recombination laser comprises a resonant laser cavity, a gaseous laser material disposed in the cavity, and means for providing a plasma discharge in said laser material, which plasma...
4360923 Reagent tailoring for a chemical gas laser to obtain uniform initial chemical reaction rate  
A method and apparatus for tailoring the concentration profiles of reactant and diluent species in the gas stream of a pulsed chemical laser provide a substantially uniform initial chemical...
4348766 Chemically fuelled laser and method for increasing the efficiency of such lasers  
The efficiency of a chemically fuelled laser with regenerative cooling of its combustion chamber is increased by using the fuels as coolant in the diffuser. The heat resulting from this cooling in...
4348764 Nozzle construction for chemical laser  
A primary nozzle provides a two-dimensionally expanding source flow of an oxidizer; a line serving as origin; and curved secondary nozzles are positioned in the primary, supersonic flow, for...
4342116 Dry excited singlet delta oxygen generator  
An improved method and apparatus for producing dry excited singlet delta oxygen for use in iodine lasers.
4334200 Laser induced collisional laser pumping  
A laser apparatus for inverting a population in an atomic or molecular species is provided. Energy is stored in a first species and a laser induced collisional energy transfer from that first...
4327338 Nuclear activated cw chemical laser  
A cw chemical laser which uses processed radioactive waste to produce act atoms from a chemically inactive gas before being mixed with another molecule such as hydrogen or deuterium is disclosed....
4307842 Nozzle particularly for lasers  
A plurality of arcuate, secondary (fuel) nozzle members are juxtaposed, so that respective two of them define between them a curved, primary slit nozzle, producing a primary (oxidizer) expansion...
4267526 Continuous wave chemically pumped atomic iodine laser  
CW laser action achieved on the 2P 178- 2P 3/2 transition of the iodine atom by energy transfer from the 1 Δ metastable state of O 2 . The effluent from a conventional oxygen generator was...
4247833 Minimum length diffuser for chemical lasers  
A minimum length diffuser for transforming low pressure, supersonic laser haust gas flow to a subsonic flow at an elevated static pressure using structures which produce a single, near normal...
4246252 Gas generating system for chemical lasers  
A method for generating electronically excited oxygen by efFecting a chemical reaction between chlorine and basic hydrogen peroxide.
4237429 Transverse mixing hypersonic wedge nozzle chemical laser  
The reactants in a chemical laser are mixed to effect a lasing action by expanding one reactant through a relatively large primary nozzle in such a way as to form an expanding reactant flow field...
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...
4230996 Nozzle array for chemical lasers  
An improved nozzle array adapted for use in chemical lasers is disclosed. The sidewalls of the nozzle array include a restoring bar fixedly attached thereto adapted for elastically restoring...
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...
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...
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...
4217558 Pulsed chemical laser system  
A plurality of pulsed chemical lasers such as HF or DF lasers are disposed symmetrically about a central axis. Each laser is energized sequentially so that the resulting output laser pulses have...
4217557 Laser emission from purely chemically generated vibrationally excited hydrogen bromide  
A continuous wave hydrogen bromide (HBr) chemical laser is described, in which laser activity is produced by purely chemical means. Gaseous chlorine dioxide and gaseous nitric oxide are mixed and...
4213102 Fluorine generator for chemical lasers  
A system for generating fluorine for use as a gaseous reactant in a chemical laser from a storable gas supply of NF 3 .
4208638 HF or DF Chemical laser using laser induced chemistry  
A chemical HF or DF laser is obtained by irradiating COF 2 +H 2 /ub.2 in admixture with the R 12 line of a CO 2 laser. The irradiation is accomplished in a laser cavity provided with...
4202104 HCl or DCl Chemical laser using laser induced chemistry  
A chemical HCl or DCl laser is obtained by irradiating COCl 2 +H 2 D 2 in admixture with the P 54 line of a CO 2 laser. The irradiation is accomplished in a laser cavity provided with...
4201950 Low deactivation chemical laser  
A hydrogen fluoride/deuterium fluoride chemical laser having low concentration of deactivants is provided by the application of external heat rather than by internal combustion to cause thermal...
4196400 Gas laser chemical pump fluidization  
An improvement to the chemical pump as currently used to pump a gas laser cavity is achieved by employing a chemical pump with a fluidized bed, i.e., a bed of particles of a reactive material...
4193261 Method of oxidation of fuels with tetrafluorammonium bifluoride  
A liquid mixture of tetrafluorammonium bifluoride in anhydrous liquid hydrogen fluoride in the liquid and/or gaseous decomposed state serves as an oxidizer for fuels. Tetrafluorammonium bifluoride...
4188592 Closed cycle chemical laser  
A closed cycle chemical laser adapted for continuous wave operation is disclosed. A first gas such as sulphur hexafluoride is decomposed by an electrical discharge means to provide at least some...
4187595 Method of fabricating nozzle blades for lasers  
A method of fabricating nozzle blades for lasers in which the blade core is formed from an annular-shaped, rigid, chemically resistant material having a pair of opposed circular grooves machined...
4185254 Annular laser having adjustable and interchangeable laser windows  
An annular laser having an elongated centrally located flashlamp enclosed in a quartz tube as well as adjustable and interchangeable laser windows. The position of the flashlamp produces a gain...
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...
4160218 Laser monitor and control system  
A detector array generates a profile of the intensity of a laser beam, across the beam and in the direction of fluid flow in order to detect the spatial distribution of the laser gain. Control...
4131863 CO Chain reaction chemical laser  
This application concerns the operation of a CO chemical laser fueled by carbon monosulfide (CS) and oxygen. These fuels allow the operation of a chain reaction, one step of which is the laser...
4115168 Carbon monosulfide generating process  
This application concerns a process for generating carbon monosulfide (CS) in quantity for a carbon monoxide (CO) chemical laser using thermochemical dissociation of carbon disufide (CS 2 ) in a...
4108591 Laser combustor apparatus  
A laser combustor apparatus for a chemical laser including an injector and transition manifold wherein the injector has a barrier area located between the oxidizer plenum and fuel plenum and a...
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...
4099140 Chemical laser process and apparatus  
A continuous flow chemical laser is described in which chlorine dioxide and nitric oxide are reacted to produce atomic chlorine and hydrogen iodide is then introduced into the flow stream to form...
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...
4095193 Broadband gas laser  
A gas laser having a bandwidth which substantially exceeds the normal doppler bandwidth. To this end the lasing beam is made to propagate at an angle to the direction of flow of the stream of...
4048586 Chemical laser with mixing enhancement device for power improvement  
An inert diluent such as N 2 , He, Ar, etc., is injected into the reactant streams emerging from the cavity nozzle of a CW, supersonic, laser to increase the cavity power and lower the cavity...
4031484 Portable chemical laser with gas recirculation  
A chemical laser having means for repeatedly circulating the gaseous working medium in a portable, self-contained system is disclosed. An excited laser species is formed by chemical means and after...
4011522 Radial flow laser  
A laser having a radial flow configuration which may be utilized to achieve lasing in both chemically and electrically excited gas lasers.
4000477 Recirculation or stirred reactor flow laser  
A laser which obtains lasing action from gases flowing into and out of a laser cavity is substantially improved by causing the flowing gases to traverse a strongly recirculating flow field. The...
3992685 Chemical laser pump  
A chemical laser including a laser pump which is relativey lightweight with no moving parts is provided. This produces a low pressure, regenerable, closed system for treating laser cavity exhaust...
3991384 Ultraviolet chemical laser  
The lasing species of CS(a 3 π) and CSe(a 3 π) are produced by reacting atomic carbon and COS or COSe in an inert medium such as helium, argon, nitrogen, etc.
Matches 101 - 150 out of 192 < 1 2 3 4 >