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Method and apparatus for producing laser radiation following tow-photon excitation of a gaseous medium. [Patent application]

Patent ·
OSTI ID:5198707
A method and apparatus for producing laser radiation by two-photon optical pumping of an atomic or molecular gaseous medium and subsequent lasing action are described. A population inversion is created as a result of two-photon absorption of the gaseous species. Stark tuning is utilized, if necessary, in order to tune the two-photon transition into exact resonance. In particular, gaseous ammonia (NH/sub 3/) or methyl fluoride (CH/sub 3/F) is optically pumped by a pair of CO/sub 2/ lasers to create a population inversion resulting from simultaneous two-photon excitation of a high-lying vibrational state, and laser radiation is produced by stimulated emission of coherent radiation from the inverted level.
Assignee:
TIC; EDB-78-060851; ERA-03-031599
Patent Number(s):
None
OSTI ID:
5198707
Country of Publication:
United States
Language:
English