Gas lasers

Details Gas lasers Gas lasers

1980-08-28

1982-08-10

Sikes, William L.

Coherent light generators

Particular pumping means

With depopulation of lower states

372 55, 372702, H01S 309

Patent

active

043441742

ABSTRACT:
A laser having a gaseous mixture including carbon dioxide as the lasing medium, wherein the lasing medium is cooled to a temperature such that the thermal population of the lower energy level of an output lasing transition between a higher energy level and a lower energy level of the carbon dioxide molecule is reduced, and the lasing medium is initially energised to create the population inversion which results in the lasting transition at a rate such that significant thermal population of the lower energy level is avoided.

REFERENCES:
patent: 3745482 (1973-07-01), Patel
patent: 3921098 (1975-11-01), Hoag
patent: 4053852 (1977-10-01), Krupke
patent: 4063190 (1977-12-01), Rink
Beterov et al., IEEE J. Quant. Elect., vol. QE-10, No. 2 (Feb. 1974) pp. 245-247.

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