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Quasi-phase-matched parametric chirped pulse amplification systems

  • US 6,181,463 B1
  • Filed: 03/21/1997
  • Issued: 01/30/2001
  • Est. Priority Date: 03/21/1997
  • Status: Expired due to Term
First Claim
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1. An optical pulse amplification system, comprising:

  • a pump source generating optical pump pulses in a first time regime;

    a signal source generating optical signal pulses in a second, shorter, time regime;

    a stretcher which stretches said optical signal pulses to a duration in said first time regime;

    combining elements which receive and combine the optical pump pulses and the stretched optical signal pulses, to thereby provide combined optical pulses which are substantially temporally overlapped; and

    a parametric amplifier comprising a quasi-phase-matched crystal receiving the combined optical pulses and amplifying the optical signal pulses using energy of the optical pump pulses; and

    a compressor which compresses the amplified optical signal pulses back into said second time regime.

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