Method for separating a predetermined isotope of an element from a gaseous compound containing said element
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United States of America Patent
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Apr 30, 1991
Grant Date -
N/A
app pub date -
Aug 31, 1989
filing date -
Sep 1, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Isotopes of an element are separated using a method in which a gaseous compound containing said element is brought into a condition in which the molecules of the compound are in the ground vibrational state, and the molecules containing the pre-determined isotope are selectively excited by means of a source of radiation. The selectively excited molecules are further excited, and/or directly dissociated, using at least a second source of radiation, including at least two laser beams which are converted using so-called 'four-wave mixing' in a Raman cell. One of the laser beams is a high-energy beam that is a train of very short pulses.
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