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METHOD AND APPARATUS FOR SPECTRAL-BEAM COMBINING OF HIGH-POWER FIBER LASERS

  • US 20070127123A1
  • Filed: 01/26/2006
  • Published: 06/07/2007
  • Est. Priority Date: 01/26/2005
  • Status: Active Grant
First Claim
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1. A method comprising:

  • providing a plurality of fiber lasers that generate laser beams including a first fiber that generates a first laser beam and a second fiber that generates a second laser beam;

    spectrally combining the plurality of laser beams into a single output beam;

    wavelength tuning the first fiber to generate the first laser beam at a first wavelength;

    wavelength tuning the second fiber to generate the second laser beam at a second wavelength;

    detecting that one of the laser beams has become misaligned relative to the single combined beam;

    determining that the first laser beam is the misaligned one; and

    adjusting the wavelength tuning of the first fiber in order that the first laser beam is aligned relative to the single combined beam.

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