Refrigeration – Storage of solidified or liquified gas – Including cryostat
Patent
1992-01-15
1993-04-06
Capossela, Ronald C.
Refrigeration
Storage of solidified or liquified gas
Including cryostat
55 71, 372 57, 372 59, F25B 1900
Patent
active
051992671
ABSTRACT:
The invention relates to a gas laser using a laser gas medium while circulating and purifying the laser gas medium. An object of the invention is to provide a gas laser apparatus operating method and a gas laser apparatus in which it is easy to keep laser output power constant for a long time. Disclosed is a method for performing laser oscillation while circulating a laser gas medium containing a rare gas, in which a gas which is to be solidified at a trap temperature is preliminarily attached to a low temperature trap containing a filler so as to be solidified, and then the solidified gas is brought into contact with the laser gas medium.
REFERENCES:
patent: 4317087 (1982-02-01), Sander et al.
patent: 4601040 (1986-07-01), Andrews et al.
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".
Capossela Ronald C.
Sumitomo Heavy Industrie's, Ltd.
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