Optical Review

, Volume 4, Issue 2, pp 277–283 | Cite as

Beam Recombination Characteristics in Array Laser Amplification Using Stimulated Brillouin Scattering Phase Conjugation

  • Hong Jin Kong
  • Jae Yong Lee
  • Yun Sup Shin
  • Jae Oh Byun
  • Hee Su Park
  • Hyogun Kim
Original Article

Abstract

Beam recombination characteristics were numerically investigated in array laser amplification using stimulated Brillouin scattering phase conjugation. To clarify the effect of piston errors due to imperfect phase locking, spatial intensity profiles of the beam recombination output were calculated in both the near and the far field on the basis of Rayleigh-Sommerfeld diffraction theory. The analyses indicate that piston errors are seriously detrimental to the quality of a beam recombination output and should be eliminated by a proper phase locking. It is also found that the gap between the beam splitting-combining wedges has a negligible effect.

Key words

array laser amplification beam recombination phase-conjugate mirror stimulated Brillouin scattering piston error phase locking 

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Copyright information

© The Optical Society of Japan 1997

Authors and Affiliations

  • Hong Jin Kong
    • 1
  • Jae Yong Lee
    • 1
  • Yun Sup Shin
    • 1
  • Jae Oh Byun
    • 1
  • Hee Su Park
    • 1
  • Hyogun Kim
    • 2
  1. 1.Department of PhysicsKorea Advanced Institute of Science and TechnologyTaejonKorea
  2. 2.Kumho Information & Telecommunication Lab.KwangjuKorea

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