Amplifying of high energy laser pulses
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United States of America Patent
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app pub date -
Feb 13, 2005
filing date -
May 20, 2003
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Abstract
The present invention provides a method of amplifying a beam of laser pulses by producing an amplified collimated beam of pulses using an amplifier, spatially spreading the amplified collimated beam of pulses into an expanded beam of pulses, introducing the expanded beam of pulses into the amplifier a second time to produce a twice amplified beam of pulses, recollimating the twice amplified beam of pulses to produce a twice amplified collimated beam of pulses such that the twice amplified collimated beam of pulses is of essentially the same cross-section as the amplifier, and introducing the twice amplified collimated beam of pulses into the amplifier a third time to produce a thrice amplified collimated beam of pulses such that the re-collimated beam sweeps essentially the entire volume of the amplifier.
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