Coherent combination of high-power, zigzag slab lasers.

  title={Coherent combination of high-power, zigzag slab lasers.},
  author={Gregory D. Goodno and Hiroshi Komine and Stuart J. McNaught and S. Benjamin Weiss and Sam Redmond and W. Long and Randy R. Simpson and Eric C. K. Cheung and Dena Howland and P. Van Epp and Mark E. Weber and Michael B McClellan and Jeff Sollee and Hagop Injeyan},
  journal={Optics letters},
  volume={31 9},
We demonstrate a scalable architecture for a high-power, high-brightness, solid-state laser based on coherent combinations of master oscillator power amplifier chains. A common master oscillator injects a sequence of multikilowatt Nd:YAG zigzag slab amplifiers. Adaptive optics correct the wavefront of each amplified beamlet. The beamlets are tiled side by side and actively phase locked to form a single output beam. The laser produces 19 kW with beam quality <2x diffraction limited. To the best… CONTINUE READING
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