Circulation type gas purification apparatus and method of operat

Details Circulation type gas purification apparatus and method of operat Circulation type gas purification apparatus and method of operat

1992-01-15

1994-01-11

Capossela, Ronald C.

Refrigeration

Storage of solidified or liquified gas

Including cryostat

372 57, 372 59, 95142, F25B 1900

Patent

active

052770400

ABSTRACT:
This invention relates to purification of a multicomponent gas while purifying and circulating a gas medium, such as a laser gas medium or the like. An object of the present invention is to provide a gas laser apparatus operating method and a gas laser apparatus in which it is easy to keep the laser output power constant for a long time. Disclosed is a method which performs laser oscillation while circulating a laser multicomponent gas medium containing a rare gas and in which the laser gas medium is circulated through an absorbent (10) which has been refrigerated to a temperature where all the components of the laser gas medium necessary for laser oscillation are not solidified.

REFERENCES:
patent: 4369048 (1983-01-01), Pence
patent: 4910965 (1990-03-01), Lepofsky
patent: 4977749 (1990-12-01), Sercel
Patent Abstracts of Japan, vol. 10, No. 104 (E397)(2161) Apr. 19, 1986 of JP-A-60-242684, Dec. 1985.
Review of Scientific Instruments, vol. 52, No. 11, Nov. 1981, New York, pp. 1655-1656; K. O. Kutschke et al, "Rare Gas Recovery Systems for Rare Gas Halide Lasers".
Applied Physics Letters, vol. 32, No. 5, Mar. 1978, pp. 291-292; P. M. Johnson, "A Closed-Cycle Gas Recirculating System for Rare-Gas Halide Excimer Lasers".

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