Radiant energy – Ionic separation or analysis – Cyclically varying ion selecting field means
Patent
1973-12-27
1976-04-27
Lawrence, James W.
Radiant energy
Ionic separation or analysis
Cyclically varying ion selecting field means
250281, 250283, 250288, 250298, H01J 3934
Patent
active
039537315
ABSTRACT:
In a system for isotope separation wherein a plasma of ions of one isotope type is created, method and apparatus for magnetically extracting the ions from the plasma without impairing the ionization selectivity and efficiency. In a particle flow of plural isotope types, radiant energy is applied to selectively excite and ionize ions of at least one isotope type without corresponding ionization of particles of other isotope types. A magnetic field is applied to divert the ions of the one isotope type sufficiently to permit separate collection of those ions without the other particle constituents of the flow. The system of the present invention balances the requirements for a high magnetic field to provide sufficient diversion before charge exchange with the requirement for a limited magnetic field to prevent interference with the selective ionization process due to Zeeman broadening of the isotope absorption lines.
REFERENCES:
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patent: 3174034 (1965-03-01), Behrisch et al.
patent: 3294970 (1966-12-01), Jenckel
patent: 3443087 (1969-05-01), Robieux et al.
patent: 3478204 (1969-11-01), Brubaker et al.
patent: 3772519 (1973-11-01), Levy et al.
Anderson B. C.
Jersey Nuclear-AVCO Isotopes, Inc.
Lawrence James W.
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