Matches 51 - 100 out of 192 < 1 2 3 4 >
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5883916 Integrated valve and flow control apparatus and method for chemical laser system  
There is provided a cylindrical valve 20 for placement in the flow path of a singlet-delta oxygen generator 12 that feeds O 2 * to a chemical laser gain medium 14. The feed path 22 includes a sharp...
5870422 Gain generator for high-energy chemical lasers  
A gain generator 10 for use in high-energy flowing gas lasers such as COIL devices comprises a chemical reactant mixing nozzle 12 disposed in a gain medium 16. The nozzle includes a plurality of...
5802095 Oxygen-iodine laser  
In order to improve an oxygen-iodine laser comprising a reaction unit for the generation of a gas stream composed of excited oxygen by chemical reaction between a reaction liquid and a reaction...
5774490 Diode-pumped Tm: YAG/HBr four micron laser system  
An HBr laser is pumped by a slave laser power oscillator which excites the (2,0) absorption band of the HBr laser, to cause it to lase around four microns. A tunable master oscillator, which is...
5536934 Light intensity deterioration detecting circuit with compensation for resistance errors  
A light intensity deterioration detecting circuit which includes a photodiode which receives light from a laser diode and having a cathode connected to a power supply and an anode connected to a...
5516502 Singlet delta oxygen generator  
A method and apparatus for generating excited singlet delta oxygen by effecting a chemical reaction between chlorine and basic hydrogen peroxide.
5417928 Singlet delta oxygen generator and process  
A generator for producing a flow of excited oxygen in the singlet delta electronic state comprising a vacuum chamber, an inlet feed system, an internal reaction zone, a method for cooling said...
5384802 Laser apparatus  
A laser device utilizes a turbojet engine to provide a stimulation source. The turbojet engine is conventional, having a compression section, a fuel injection and igniting section, and an...
5378449 Formation of basic hydrogen peroxide  
Potassium superoxide can be used to generate and regenerate Basic Hydrogen Peroxide, the primary fuel for Chemical Oxygen-Iodine Lasers. The solid reacts with depleted BHP/H 2 O 2 solution...
5369660 Repetitively pulsed, closed cycle, photolytic atomic iodine laser  
A repetitively pulsed, high energy, closed cycle photolytic atomic iodine lasers operates at 1.315 microns. Using an iodine (I 2 ) removal system for the photolyzed C 3 F 7 I laser fuel, more...
5323413 Apparatus for the laser dissociation of molecules  
An apparatus for dissociation of gas molecules which absorb light comprising a resonance optical cavity, a nozzle for introducing gas molecules into the resonance optical cavity in contact with the...
5199041 Modulation of oxygen-iodine laser  
A method of modulating an oxygen-iodine laser comprises applying an external magnetic field having an intensity of up to 800 A.cm -1 to the active zone of the laser and, at the same time, changing...
5140602 Pulsed power modulator circuit for a Q-switched chemical laser  
A pulsed power modulator provides high current pulses having fast rise and fall times to the solenoid of a Q-switched chemical laser.
5050182 Chemical process yielding stimulated emission of visible radiation via fast near resonant energy transfer  
A process for increasing the efficiency of a chemical process yielding stimulated emission of visible radiation via fast near resonant intermolecular energy transfer comprising the steps of...
5020071 Chemical process yielding stimulating emission of visible radiation via fast near resonant energy transfer  
A laser oscillator at 535 nm produced by a chemical process yielding stimulated emission of visible radiation via fast near resonant intermolecular energy transfer comprising the steps of reacting...
4961200 Process and generator for generating atomic iodine in the fundamental state, and iodine chemical laser employing such  
An iodine chemical laser is disclosed comprising: a laser cavity; a combustion chamber; a first injector injecting into said combustion chamber an iodine compound as a fuel; a first supply means...
4924475 Boron oxide laser with CF.sub.4 additive  
A laser having a gain medium which includes boron oxide (BO) is shown to have an increased optical power output and to achieve other benefits from the addition of carbon tetrafluoride (CF 4 ) to...
4897848 Discharge driven precious metal catalyst with application to carbon monoxide lasers  
The performance of a carbon monoxide laser is improved by coating the walls of the surface facing the discharge with a precious metal chosen from the group consisting of gold, silver, platinum,...
4807237 Method and apparatus for operating a dye laser with a proton transfer reaction  
In a laser oscillator or laser amplifier, a so-called switching dye is used which strongly reduces the degree of amplification for the laser radiation after a short time interval, by means of...
4807244 Chemical laser  
There are provided chemical lasers which provide pulsed radiation in the visible or near visible (denoted hereafter as short-wavelength) range. The novel pulsed short-wavelength chemical lasers are...
4787091 Chemical laser system employing iodine atoms as a lasing gas  
A chemical iodine laser system 10 is provided with a reactive iodine producing container (12) for housing a reactive iodine generating composition. Singlet delta oxygen produced by oxygen generator...
4785460 Laser generated by the interaction of molecules containing the azide radical and a molecule containing a halogen atom  
Disclosed is a chemically pumped laser system including means for generating chemicals that react to produce electronically excited molecules used by the laser system.
4785461 Premixed cold reaction CW laser nozzle  
The premixed cold reaction CW chemical laser places the secondary injectors which input fuel and/or diluent in the exit walls of the primary nozzle. These injectors are acutely angled thereto and...
4780880 Chemical oxygen iodine laser  
A method for enhancing the lasing action in a chemical oxygen iodine laser wherein a gas stream having a desired reactant gas concentration profile is combined with a diluent gas concentration...
4760582 Scalable overtone HF chemical laser  
A chemically driven HF overtone laser operates from either thermal or electrical dissociation of a molecular gas containing fluorine. Significant output powers are produced from Δv=2 vibrational...
4759179 Method for generating electronically excited NF for use in a laser  
Electronically excited nitrogen fluoride, NF*, is generated by dissociating fluoride azide, FN 3 . In a preferred embodiment, the FN 3 is reacted with vibrationally excited molecules such as...
4737965 Advanced chemical laser cavity fuel injection system  
A chemical laser cavity fuel injection system is provided in which a conving-diverging nozzle for injecting an oxidizer has manifolds mounted at opposite sides and at the exit plane of the...
H000389 Fluid refraction optical path phase correction  
An optical path length changing arrangement employing a selected cross-section of pressurized gases or other fluid and usable in a space weapon chemical laser and in other optical equipment for...
4668498 Supersonic singlet delta oxygen aerosol generator  
A singlet delta aerosol generator 10 includes a reaction chamber 24 downstream from a supersonic nozzle section 18. A mixture of gaseous chlorine and an inert diluent gas is reacted with liquid...
4653062 Chemical oxygen-iodine laser  
An oxygen-iodine laser system that includes a source of gaseous singlet delta oxygen O 2 ('Δ) and a source of gaseous iodine monochloride, ICl, that directs their respective gases to manifolds...
4650416 NF.sub.3 combustor for cylindrical laser  
A combustor using D 2 /NF 3 /He is used in a laser gain generator in a cylindrical gas laser. The combustor includes a plurality of primary rings having fuel, oxidizer and diluent orifices...
4643889 System for generation of singlet-delta oxygen  
A process for generating an excited molecular oxygen by a procedure which comprises causing a mixture of an alkaline aqueous solution with hydrogen peroxide to wet the surface portion of a layer of...
4622676 Upconversion of laser radiation frequency in an oxygen-iodine laser  
A gaseous mixture comprising iodine, oxygen and fluorine gases is circulated in a closed loop system 16 through a laser cavity 14. The gases in the cavity 14 are pumped by infrared laser radiation...
4606030 Vacuum ultraviolet laser  
Transitions from the 2p 4 ( 1 S 0 )3s 2 S 1 /2 state of atomic fluorine to all allowed lower states produces laser emission at six new wavelengths: 680.7 Å, 682.6 Å, 3592.7 Å, 3574.1 Å,...
4598406 Pressure-wave cycled, repetitively pulsed gas laser  
A pressure-wave cycled, repetitively pulsed gas laser comprises a laser cavity having open first and second ends, a channel connecting the first and second sides of laser cavity and a lasing...
4598409 CW HF R-branch laser  
A continuous wave HF R-branch chemical laser uses a linear array nozzle system having primary and secondary nozzles for exciting HF and a laser resonator having mirrors with reflectance to...
4558451 Tubular singlet delta oxygen generator  
A generating device for producing a laser energizing gas in the singlet delta, electronic state comprising a vacuum chamber; a tubular reaction chamber positioned within said vacuum chamber, said...
4541096 Off-line, recirculating, waste management system for chemical lasers  
A waste management system for a DF or HF chemical laser or certain other types of chemical lasers wherein the exhaust gases of the laser are fed into a reaction chamber 12 having a collection sump...
4517676 Multi-species, CW combustion driven laser employing hydrogen bromide  
A combustion driven laser employs HBr as one of a plurality of lasing species. One embodiment of the invention lases simultaneously on the three species HF, HCl, HBr.
4514698 Chemical laser pump including cryogenic and condensing means  
A chemical laser including a laser pump which is relatively lightweight with no moving parts is provided. This produces a low pressure, regenerable, closed system for treating laser cavity exhaust...
4500997 Chemical pump with integral diffuser  
A self-contained device for pumping supersonic gas flows. The pumping dev consists of a chemically activated material capable of chemical reaction with the gas mixture to be pumped, thermal ballast...
4500995 Bromine anti-stokes raman laser  
An anti-Stokes Raman laser which uses a metastable level of bromine is provided. A medium of molecules each of which contains at least one bromine atom is provided. Means are provided for...
4487366 Porous-wall compact laser diffuser  
A porous-wall compact diffuser designed for chemical laser applications. The laminar boundary layer in the diffuser is removed through the porous wall by suction provided by a chemical pump...
4488311 Optically pumped iodine monofluoride laser  
This invention comprises an optically pumped iodine monofluoride laser operating on the B 3 π(0 + )➝X 2 Σ + system. Ground state IF was produced by the reaction between I 2 and F 2 in...
4483006 Axial flow laser cavity  
An improved gaseous laser device is provided which comprises a generally tubular laser discharge tube having a laser window at each end thereof, each window disposed at an angle to the lasing axis...
4475198 Laser system  
There is provided a gain medium capable of radiating spectral lines differing in intensity as a function of position along a selected, gain-medium axis. A first resonator is arranged along a first...
4467474 Halogen mass flow rate detection system  
An improvement within an oxygen-iodine chemical laser in the form of a mass flow rate detector for rapidly, accurately, and reliably detecting the mass flow rate of iodine into the resonant cavity...
4466100 Delta wing nozzle assembly for chemical lasers  
A delta wing nozzle assembly for use within a supersonic chemical laser having a plurality of delta wing-shaped elements which substantially increases the mixing rate of the active reactive gaseous...
4461756 Singlet delta oxygen generator  
A method and apparatus for producing molecular oxygen in the excited singlet delta oxygen electronic state for use as an excited species reactant in a high energy, continuous-wave, chemically...
4457000 Shock wave suppressing flow plate for pulsed lasers  
A flow plate positioned upstream of the lasing cavity of an electrically pulsed gas laser blocks the transmission of shock waves generated in the laser cavity. The flow plate has a plurality of...
Matches 51 - 100 out of 192 < 1 2 3 4 >