Isotope separation process

Details Isotope separation process Isotope separation process

1978-03-06

1981-11-24

Schafer, Richard E.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

2041571R, 250423P, B01D 5900, B01D 5934

Patent

active

043023053

ABSTRACT:
This application discloses a method of separating the isotopes of an element which form a volatile compound having an isotopically shifted but overlapping infrared absorption spectrum. In the method, IR radiation of first and second laser frequencies are employed. The first infrared laser frequency produces a selective excitation of the desired isotope of the compound, while the second infrared laser frequency produces a higher multiphoton excitation which allows conversion of the excited compound.

REFERENCES:
patent: 3937956 (1976-02-01), Lyon
patent: 4049515 (1977-09-01), Robinson et al.
patent: 4144453 (1979-03-01), Rigny
patent: 4158614 (1979-06-01), Schuster
Alimpier, S. S. et al., "Dissociation of Uranium Hexafluoride Molecules in a Two-Frequency Infrared Laser Field", Sov. J. Quant. Elect., 9(10):1263-1265, 10/79.
Ambartsumyan, R. V. et al., "Selectivity of Dissociation of Polyatomic Molecules in a Two Frequency IR Laser Field", JETP Lett. 23(4):194-197, 2/76.
Tiee, J. J. et al., "The Photodissociation of UF.sub.6 Using Infrared Lasers", Optics Comm., 12/78.
Karlov, N. V., "Laser-Induced Chemical Reactions", Applied Opt. 13(2):301-309, 2/74.
Jetter, H. et al., "Uranium Isotope Separation Using IR-Lasers", In Uranium Isotope Separation, (Proc. of the Int. Conf. by Brit. Nuc. Energy Soc.), 3/5-7/75, pp. 1-6.
Robinson, C. P. et al., Doe Report #LA-UR-76-191 (Presented 2/25/76 at the American Physical Society).
Robinson, C. P. (Robinson II), "Laser Isotope Separation", Rept. #LA-UR-75-1090, [Presented at 2nd Laser Spectroscopy Conf., Megeue, France 6/23-8/75].

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