Gain generator for high-energy chemical lasers
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United States of America Patent
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Feb 9, 1999
Grant Date -
N/A
app pub date -
Jul 9, 1997
filing date -
Jul 9, 1997
priority date (Note) -
Expired
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Abstract
A gain generator 10 for use in high-energy flowing gas lasers such as COIL devices comprises a chemical reactant mixing nozzle 12 disposed in a gain medium 16. The nozzle includes a plurality of blades 22 formed of a plastic material resistant to chemical attack at the operating temperature of the gain medium and non-catalytic to O.sub.2 (.sup.1 .DELTA.). A preferred material is polyetherimide. The gain medium includes octagonal shaped openings 50 for the optical mode of the laser beam.
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