Abstract
Stimulated Brillouin scattering(SBS) is one of important nonlinear optical phenomena, which is widely used in the areas of phase conjugation, pulse compression and beam combination. In this paper, a single axial and single transverse mode Q switched laser system is used as pump source and SBS is investigated experimentally in small bulk fused silica. Damage free operation is observed with SBS reflectivity up to 60%. The self-Stokes-seeding effect, which has been reported elsewhere, is verified. To improve reflected energy and SBS efficiency, two SBS samples connected in series is configured, but the SBS reflectivity cannot exceed 60% due to surface damage.
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