Method for amplifying a solid-state laser
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United States of America Patent
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Sep 25, 2007
Grant Date -
Sep 8, 2005
app pub date -
Aug 27, 2004
filing date -
Mar 4, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Conventionally, a laser beam is amplified by making a single pass through an amplifier but the laser beam emitted from the oscillator generally has low energy, so the energy stored in the amplifier cannot be fully extracted and only low laser output power and overall efficiency result.According to the method of the invention for amplifying a solid-state laser, the laser beam is passed through the amplifier multiple times and with spatial uniformity so as to achieve efficient extraction of the energy stored in the amplifier and the thermally induced distortion of the laser beam can be compensated by the single amplifier.
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