Laser isotope separation and gas purification by multiple photon

Details Laser isotope separation and gas purification by multiple photon Laser isotope separation and gas purification by multiple photon

1979-01-22

1981-12-01

Schafer, Richard E.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

2041571H, B01D 5900

Patent

active

043034837

ABSTRACT:
The efficiencies of laser isotope separation processes based on multiple photon absorption from infrared laser pulses are enhanced thermally by raising the temperature of the gas upon which the laser beam is incident, thereby increasing the absorption and the isotopically selective excitation which enables isotopes in the gas to be separated. This same enhancement is applicable to processes for laser purification of gases which involve multiple photon absorption from infrared laser pulses.

REFERENCES:
patent: 4049515 (1977-09-01), Robinson et al.
patent: 4144453 (1979-03-01), Rigny
Robinson, C. P. et al., DOE Report #LA-UR-76-191, Feb. 1976.
Ambartsumyan, R. V. et al., "Separation of Sulfur Isotopes with Enrichment Coefficient>10.sup.3 Through Action of CO.sub.2 Laser Radiation on SF.sub.6 Molecules," JETP Lett. 21(6): 171-172. Mar. 20, 1975.

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