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Laser beam addition of planar waveguides with fractional self-imaging

Xiao Ling Cheng Xiao-Jin Xu Jian-Qiu

Laser beam addition of planar waveguides with fractional self-imaging

Xiao Ling, Cheng Xiao-Jin, Xu Jian-Qiu
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  • Abstract views:  3790
  • PDF Downloads:  1038
  • Cited By: 0
Publishing process
  • Received Date:  05 June 2007
  • Accepted Date:  12 January 2008
  • Published Online:  05 March 2009

Laser beam addition of planar waveguides with fractional self-imaging

  • 1. 中国科学院上海光学精密机械研究所,上海 201800

Abstract: Propagation characteristics of laser beams are examined in fractional self-imaging planar waveguides. A potential approach to laser beam combining is proposed by application of planar waveguides with fractional self-imaging. The influences of phase mismatch between laser beams on laser beam addition are discussed. The numerical simulation for two lasers with average power of 300 W shows that the beam addition in fractional self-imaging planar waveguide can improve the parameter M2 of combined beam effectively. The sensitivity of beam addition to the phase mismatch between laser beams has been reduced obviously.

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