Apparatus for purifying laser gas

Details Apparatus for purifying laser gas Apparatus for purifying laser gas

1989-10-13

1991-03-19

Scott, Jr., Le/ on

Coherent light generators

Particular active media

Gas

372 35, H01S 322

Patent

active

050017217

ABSTRACT:
An apparatus for purifying laser gas comprises first and second tubes 20, 22 in good thermal contact, liquid nitrogen flowing through the first tube 20 and laser gas flowing through the second tube 22. The laser gas is precooled in an arrangement of third and fourth tubes 24, 26, the laser gas to be cleaned entering the third tube 24 which opens into the second tube 22 so that precooled laser gas enters the second tube which opens into the fourth tube to effect the precooling.

REFERENCES:
patent: 4500998 (1985-02-01), Kuwabara et al.
patent: 4601040 (1986-07-01), Andrews et al.
patent: 4752937 (1988-06-01), Gorisch et al.
patent: 4779284 (1988-10-01), Nissen
patent: 4825445 (1989-04-01), Koop et al.
patent: 4833685 (1989-05-01), Boscolo et al.
patent: 4887270 (1989-12-01), Austin

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