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Compact interdependent optical element wavelength beam combining laser system and method

  • US 8,724,222 B2
  • Filed: 10/31/2011
  • Issued: 05/13/2014
  • Est. Priority Date: 10/31/2010
  • Status: Active Grant
First Claim
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1. A laser system comprising:

  • A plurality of electromagnetic radiation sources each configured to produce a unique wavelength emission beam;

    a first and second optical element configured to collectively reduce the image size of the array of emission beams along a first dimension;

    a third optical element configured to receive the reduced-in-image size emission beams and overlap the beams along the first dimension;

    a dispersive element positioned at a region of overlap to receive and transmit the overlapped beams as a multi-wavelength beam; and

    a partially-reflective output coupler arranged to receive the multi-wavelength beam, to reflect a portion of the multi-wavelength beam back to the dispersive element, and to transmit the multi-wavelength beam,wherein the first and third optical elements collectively are configured to image the array of emission beams along a second dimension.

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