Gain media edge treatment to suppress amplified spontaneous emission in a high power laser
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United States of America Patent
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Dec 9, 2008
Grant Date -
Nov 17, 2005
app pub date -
Nov 8, 2004
filing date -
May 11, 2004
priority date (Note) -
Expired
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Abstract
A novel method and apparatus for suppressing ASE and parasitic oscillation modes in a high average power laser is introduced. By roughening one or more peripheral edges of a solid-state crystal or ceramic laser gain media and by bonding such edges using a substantially high index bonding elastomer or epoxy to a predetermined electromagnetic absorbing arranged adjacent to the entire outer surface of the peripheral edges of the roughened laser gain media, ASE and parasitic oscillation modes can be effectively suppressed.
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