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Title: Population inversion in a stationary recombining plasma

Journal Article · · Appl. Opt.; (United States)
DOI:https://doi.org/10.1364/AO.19.003904· OSTI ID:6633367

Population inversion, which occurs in a recombining plasma when a stationary He plasma is brought into contact with a neutral gas, is examined. With hydrogen as a contact gas, noticeable inversion between low-lying levels of H as been found. The overpopulation density is of the order of 10/sup 8/ cm/sup -3/, which is much higher then that (approx. =10/sup 5/ cm/sup -3/) obtained previously with He as a contact gas. Relations between these experimental results and the conditions for population inversion are discussed with the CR model.

Research Organization:
Nagoya University, Institute of Plasma Physics, 464 Nagoya, Japan
OSTI ID:
6633367
Journal Information:
Appl. Opt.; (United States), Vol. 19:23
Country of Publication:
United States
Language:
English