Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy
Patent
1977-03-02
1979-02-06
Williams, Howard S.
Chemistry: electrical and wave energy
Processes and products
Processes of treating materials by wave energy
204DIG11, B01J 110
Patent
active
041382978
ABSTRACT:
Method for isotope separation or enrichment in a vaporous mixture of compounds containing the isotopes to selectively excite the group of molecules containing one isotope by means of coherent, polarized electromagnetic radiation (lasers) in which a frequency shift is prevented or greatly reduced and the excitation state can be driven very high to beyond the dissociation limit. This is accomplished by adjusting the frequency and field strength of the radiation so that the dipole moment of the group of molecules to be excited, oscillates, at least at the final amplitude, mainly in phase opposition to the exciting field, and the other group of molecules mainly in phase with the exciting field. In another procedure the radiation has a frequency closer to the resonance frequency of the group of molecules to be separated and is of the order of magnitude of the isotope-determined frequency difference, and both groups of molecules operate in phase opposition.
REFERENCES:
patent: 4020350 (1977-04-01), Ducas
Gregorius Klaus
Janner Karl
Stehle Heinz
Kraftwerk Union Aktiengesellschaft
Lerner Herbert L.
Williams Howard S.
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