Phase control of backward stimulated Brillouin scattering wave by a self-generated density modulation

Seong Ku Lee; Dong Won Lee; Hong Jin Kong

doi:10.1117/12.633730

7 June 2005 Phase control of backward stimulated Brillouin scattering wave by a self-generated density modulation

Seong Ku Lee, Dong Won Lee, Hong Jin Kong

Proceedings Volume 5850, Advanced Laser Technologies 2004; (2005) https://doi.org/10.1117/12.633730
Event: Advanced Laser Technologies 2004, 2004, Rome and Frascati, Italy

Abstract

We shows that the phase of a backward stimulated Brillouin scattering (SBS) wave can be controlled, which is necessary for a beam combination laser using SBS phase conjugate mirrors. The phase control is achieved by a self-generated density modulation without seeding the Stokes beam. Theoretical analysis shows that the phase fluctuation is mainly due to the pump energy fluctuation and is inversely proportional to the pump energy. We have achieved that the relative phase difference between two SBS waves is smaller than λ/4 for all the pump pulses.

Citation Download Citation

Seong Ku Lee, Dong Won Lee, and Hong Jin Kong "Phase control of backward stimulated Brillouin scattering wave by a self-generated density modulation", Proc. SPIE 5850, Advanced Laser Technologies 2004, (7 June 2005); https://doi.org/10.1117/12.633730

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