Coherent light generators – Particular active media – Gas
Patent
1980-03-11
1982-03-23
Davie, James W.
Coherent light generators
Particular active media
Gas
H01S 322
Patent
active
043215580
ABSTRACT:
The working parts of a flowing gas laser are enclosed within an airtight housing comprising a first plenum separated from a second plenum. Blower means comprising one or more modules is provided with gas inlet means for receiving gaseous lasing medium from the second plenum and gas outlet means for exhausting the lasing medium to the first plenum. Means defining a lasing region are provided with gas inlet means for receiving lasing medium from the first plenum and gas outlet means for exhausting the lasing medium to the second plenum. The blower means provides a differential pressure across the lasing region sufficient to provide the desired flow of lasing medium through the lasing region. Due to the action of the blower means, lasing medium is caused to circulate from it to and through the lasing region and back to and through the blower means. Heat exchanger means for maintaining the lasing medium at a desired temperature is coupled to a diffuser at the outlet of the lasing region and/or a diffuser at the outlet of the blower means.
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Avco Everett Research Laboratory, Inc.
Davie James W.
Frederick Melvin E.
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