H - Electricity – 01 – S
Patent
H - Electricity
01
S
345/36
H01S 3/22 (2006.01) H01S 3/036 (2006.01)
Patent
CA 1159543
RECIRCULATING FLOWING GAS LASER ARRANGEMENT ABSTRACT OF THE DISCLOSURE The working parts of a flowing gas laser are en- closed 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 pro- vided 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.
372554
Avco Everett Research Laboratory Inc.
Hewitt Neville S.
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