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High-power, phased-locked, laser arrays

  • US 20060171428A1
  • Filed: 02/03/2006
  • Published: 08/03/2006
  • Est. Priority Date: 02/03/2005
  • Status: Active Grant
First Claim
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1. A system for producing mutually-coherent operation of a plurality of light emitters, each of the emitters outputting a respective power, the system comprising:

  • an optical system that mixes respective beams received from each of the plurality of emitters;

    a beam-combining element that receives the mixed beams and forms at least one composite beam containing a respective contribution from each of the emitters; and

    a wavelength-selective output coupler that receives a single optical path output from the beam-combining element, and feeds back through the beam-combining element to the emitters at least a portion of the light received along the optical path, the portion having a selected wavelength, wherein coherent operation of all the emitters is achieved with a phase difference that results in a coherent output beam from the system that effectively combines the powers from each of the emitters.

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