Process for separating an isotope from a mixture of different is

Details Process for separating an isotope from a mixture of different is Process for separating an isotope from a mixture of different is

1983-03-07

1986-04-22

Miller, Edward A.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

250423P, 423 3, B01D 5900, C01G 4300

Patent

active

045840725

ABSTRACT:
A process is, herein, disclosed for separating a particular isotope from a mixture of different isotopes by selective excitation and ionization of the particular isotope with a single laser beam, said process comprising heating the mixture, converting the resulting atomic vapor to a highly directional atomic beam by suitable means, causing said atomic beam to travel through a vacuum, crossing the atomic beam with a high-intensity laser beam having a specific wavelength, selectively exciting the particular isotope with a first photon having that specific wavelength while the other isotopes remaining in the ground state, allowing the excited isotope to absorb a second photon to be excited to a virtual energy level, causing the so excited isotope to absorb a third photon to ionize said isotope, and recovering the ionized isotope by use of an electric or electromagnetic field.

REFERENCES:
patent: 4000420 (1976-12-01), Harris
patent: 4049515 (1977-09-01), Robinson et al.
patent: 4302676 (1981-11-01), Levin et al.
patent: 4350577 (1982-09-01), Heller
patent: 4372928 (1983-02-01), Chatelet et al.
patent: 4514363 (1985-04-01), Dubrin
Mainfray, "Resonance Effects in Multiphoton Ionization of Atoms" Proc. Intl. Conf. Lasers (1980) as abstracted in Chem. Abstracts 96:94471m, (1982).

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