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.
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Presented at 1996 International Workshop on Interferometry (IWI ‘96), August 27-29, Saitama, Japan.
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Kong, H.J., Lee, J.Y., Shin, Y.S. et al. Beam Recombination Characteristics in Array Laser Amplification Using Stimulated Brillouin Scattering Phase Conjugation. OPT REV 4, 277–283 (1997). https://doi.org/10.1007/s10043-997-0277-9
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DOI: https://doi.org/10.1007/s10043-997-0277-9