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Chirped-pulse amplifier using photonic-crystal-rod (PCR) waveguides and associated method

  • US 7,436,585 B1
  • Filed: 05/28/2006
  • Issued: 10/14/2008
  • Est. Priority Date: 07/29/2005
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a first photonic-crystal rod (PCR), having rare-earth-doped core with a diameter of at least 50 microns and an external diameter of at least 1 mm such that the rod is therefore thick enough to substantially hold its shape when released, wherein the rare-earth-doped photonic-crystal rod (REDPCR) receives, as signal input, spectrally broad chirped optical pulses having a FWHM spectral linewidth of at least 10 nm and a duration of ins of less, and amplifies the pulses to obtain an output pulse energy of at least 0.5 mJ, peak power of at least 1 megawatt (MW), and beam-quality M2 value of less than 1.5.

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