Sequential multiphoton excitation method

Details Sequential multiphoton excitation method Sequential multiphoton excitation method

1981-12-03

1984-07-24

Kyle, Deborah L.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

204158R, 423 3, B01D 5900

Patent

active

044616864

ABSTRACT:
Efficient multiphoton excitation is accomplished by sequentially exciting a polyatomic molecule with one or more wavelengths of infrared laser radiation. Preferably, the delay between successive excitations is longer than the rotational but shorter than the vibrational relaxation time of the molecule. By this method, laser-induced chemical reactions or isotope separation can be achieved with lower fluence and/or higher concentration of molecules than with prior art methods.

REFERENCES:
patent: 4025790 (1977-05-01), Jetto et al.
patent: 4049515 (1977-09-01), Robinson et al.
patent: 4107536 (1978-08-01), St. Peters
patent: 4110182 (1978-08-01), Stevens
patent: 4302305 (1981-11-01), Kaldor et al.
patent: 4334883 (1982-06-01), Robinson et al.
patent: 4350577 (1982-09-01), Heller

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