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Class 372/77 - Exploding or combustible material


Subclass of Class 372 - Coherent light generators
Definition: Subject matter in which the pumping means is in the form
No. of patents: 28
Last issue date: 12/27/2011


NumberTitleIssue Date
8085828Portable laser source
A portable laser source includes a flash lamp assembly defining a hollow central channel, an elongate laser rod extending within the hollow channel for receiving a flash of light emitted by the surrounding flash lamp assembly, and a hermetically-sealed enclosure hou...
12/27/2011
7421166Laser spark distribution and ignition system
A laser spark distribution and ignition system that reduces the high power optical requirements for use in a laser ignition and distribution system allowing for the use of optical fibers for delivering the low peak energy pumping pulses to a laser amplifier or laser...
09/02/2008
7201103Method for initiation and ignition of explosive charges through self-destruction of a laser source
A method of initiating explosive charges ignites an explosive charge by the heat and/or explosion of a laser due to self-destruction or overheating of the laser source, and not by the radiation emitted from the laser. The laser source is assembled and/or embedded wi...
04/10/2007
7095775Dual-flow common combustor chemical laser
The invention herein is directed to a dual-chamber combustion laser assembly having lighter weight (per unit flow area), a more compact, flexible configuration for packaging in spacecraft, aircraft, or ground mobile vehicles, higher mass efficiency from lower heat l...
08/22/2006
7039088Enhancement of chemical lasers via control of the ambient radiation environment
A system and method for obtaining improved performance of chemical laser systems by exercising control over the radiation environments of these devices. Proper control of the AERE is achieved through the control of the wall construction including the choice of mater...
05/02/2006
6973114Dual-flow common combustor chemical laser
The invention herein is directed to a dual-chamber combustion laser assembly having lighter weight (per unit flow area), a more compact, flexible configuration for packaging in spacecraft, aircraft, or ground mobile vehicles, higher mass efficiency from lower heat l...
12/06/2005
6714570Molecular iodine supply system for a chemical laser
A method for producing molecular Iodine for introduction into the laser cavity of a Chemical-Oxygen-Iodine-Laser (COIL) includes the step of preparing a solid mixture that contains a primary component and an additive component. The solid mixture is formulated to gen...
03/30/2004
6128325Lasers pumped by thermally stimulated photon emitter
A system for thermally stimulating a laser emissive device comprises a thermal generating device, a photon emissive device that is capable of generating photons upon exposure to thermal energy, a laser emissive source, and an optical waveguide interposed ...
10/03/2000
6122419Optical signal processing apparatus and optical signal processing method
The present invention relates to an optical signal processing apparatus and optical signal processing method which enable generation, waveform shaping, waveform measurement, waveform recording, correlation processing, and the like of optical pulses of 1-1...
09/19/2000
5790573High power free electron lasing device using electrostatic wigglers with recirculating beams between a pair of magnetic mirrors
An apparatus for producing high intensity laser radiation. A vacuum enclosure is provided which includes first and second magnets at each end, and a magnetic field applied along the length of the enclosure. The magnets and applied magnetic field forms a m...
08/04/1998
5761235Laser gun and cartridge
A laser gun uses small arms technology for loading and firing a cartridge containing flash powder. When the cartridge is fired, the flash powder burns to produce an intense burst of light. This light is directed for optically pumping a laser medium that e...
06/02/1998
5745518Explosively pumped laser apparatus
An explosively pumped laser module has a concentrically-arranged laser rod and surrounding sleeve of explosive material with an annular gas chamber formed between the explosive sleeve and laser rod. An explosive initiation assembly surrounds the explosive...
04/28/1998
5617444Laser gun and cartridge
A laser gun uses small arms technology for loading and firing a cartridge containing flash powder. When the cartridge is fired, the flash powder burns to produce an intense burst of light. This light is directed for optically pumping a laser medium that e...
04/01/1997
5052011Explosively pumped laser light
A single shot laser pumped by detonation of an explosive in a shell casing. The shock wave from detonation of the explosive causes a rare gas to luminesce. The high intensity light from the gas enters a lasing medium, which thereafter outputs a pulse of l...
09/24/1991
4987577Gas laser having microwave excitation
The gas discharge space into which microwaves are fed via a waveguide forms a laser housing in the form of a waveguide having a longitudinal ridge therein, the laser housing being preferably dimensioned such that its critical wavelength λk is ...
01/22/1991
4899362Metal vapor laser with improved laser medium formation
In a laser arrangement, solid or liquid material, at least part of which comprises a laser amplifying medium, is atomized in a gas prior to being applied to a discharge region. In one embodiment of the invention, the gas is combustible and is ignited to p...
02/06/1990
4858244Mechanically actuated laser initiator
A laser type initiator device for activating air crew emergency escape systems and the like comprising a housing having a generally cylindrical chamber and defining a trough opening at one end of same, with the chamber and opening being coaxially oriented...
08/15/1989
4807244Chemical 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 operated by detonating an explosive mixture which contain...
02/21/1989
4780881Process for the electrical excitation of a laser gas
In order to prevent, in the microwave excitation of a laser gas, the development of wall boundary layers and to attain a homogeneously large volume plasma, the laser gas is delivered in the inclusion zone of the microwave after passing a current-forming e...
10/25/1988
4713823Pre-combustion integrated Ram airbreathing laser
The present invention provides a Ram airbreathing laser adapted to use with an aircraft which operates primarily in the Mach 3 to Mach 6 regime. Valves, or gates, are provided in the propulsive flow path and the auxiliary flow path for laser in a manner s...
12/15/1987
4599731Exploding conducting film laser pumping apparatus
Exploding conducting film laser optical pumping apparatus. The 342-nm molecular iodine and the 1.315-μm atomic iodine lasers have been optically pumped by intense light from exploding-metal-film discharges. Brightness temperatures for the exploding-film ...
07/08/1986
4536879Pyrotechnic lamp
A long-life pyrotechnic lamp particularly suited for use in a compact, low-cost laser employing a solid-state laser rod which is pumped by the optical radiation of a pyrotechnic lamp employing the direct combustion of a metal in a flowing oxygen-containin...
08/20/1985
4488311Optically pumped iodine monofluoride laser
This invention comprises an optically pumped iodine monofluoride laser operating on the B3 π(0+).fwdarw.X2 Σ+ system. Ground state IF was produced by the reaction between I2 and F2 in an ...
12/11/1984
4371969Low cost laser
A compact low-cost laser is provided by employing a solid state laser rod which is pumped by the optical radiation from the direct combustion of a metal in a flowing oxygen atmosphere....
02/01/1983
4099142Condensed explosive gas dynamic laser
The condensed explosive of a gas dynamic laser is a condensed mixture of or more nonhydrogenous organic explosive compounds, such as TNM, with a sufficient amount of aluminum or zirconium powder to supply energy to the products so that a temperature of ...
07/04/1978
4097820Lasers
A laser resonator is combined with a circuitous detonation channel to which is fed a suitable explosive gas mixture. The gas mixture is ignited, thereby creating travelling detonation waves which are maintained in circulation around the detonation channel...
06/27/1978
4016500Explosively driven laser amplifier system
A system for optically coupling an intense photon output from an explosively shock-heated gas to a laser amplifier for the generation of a very high power optical pulse. A laser amplifier element preferably a dye laser type is centrally located within and...
04/05/1977
3991384Ultraviolet chemical laser
The lasing species of CS(a3 π) and CSe(a3 π) are produced by reacting atomic carbon and COS or COSe in an inert medium such as helium, argon, nitrogen, etc....
11/09/1976
 
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