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Investigation on a high energy stimulated Brillouin scattering phase-conjugate mirror

Wang Yu-Lei Lü Zhi-Wei He Wei-Ming Zhang Yi

Investigation on a high energy stimulated Brillouin scattering phase-conjugate mirror

Wang Yu-Lei, Lü Zhi-Wei, He Wei-Ming, Zhang Yi
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  • Abstract views:  3673
  • PDF Downloads:  1135
  • Cited By: 0
Publishing process
  • Received Date:  15 June 2006
  • Accepted Date:  10 July 2006
  • Published Online:  05 January 2007

Investigation on a high energy stimulated Brillouin scattering phase-conjugate mirror

  • 1. 哈尔滨工业大学光电子技术研究所,哈尔滨 150001

Abstract: A novel dual-cell Brillouin oscillator-amplifier phase conjugate mirror for high energy and high peak power operation in double-pass solid state laser amplifier is described. Correction of static aberration and dynamic aberration induced in single-pass amplifier was achieved in the second passage through the aberrating medium under the condition of using the stimulated Brillouin scattering phase conjugate mirror as reflector. Output energy of 13 J was obtained with input energy of 7.1 J. An energy reflectivity of 65% and a conjugation fidelity of 90% were achieved by the use of this dual-cell phase conjugate mirror. Finally, the performance of this kind of SBS reflector in a double-pass amplifier has been compared to that of a flat mirror. The results show that the SBS reflector is highly effective in correcting the spatial aberrations of laser radiation. Excellent near-and far-field conjugation fidelities were obtained even with high input energy.

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