Independent phase control of Stokes waves for beam combination

Seong Ku Lee; Dong Won Lee; Doo Hyun Baek; Hong Jin Kong

doi:10.1117/12.575234

26 January 2005 Independent phase control of Stokes waves for beam combination

Seong Ku Lee, Dong Won Lee, Doo Hyun Baek, Hong Jin Kong

Author Affiliations +

Proceedings Volume 5627, High-Power Lasers and Applications III; (2005) https://doi.org/10.1117/12.575234
Event: Photonics Asia, 2004, Beijing, China

Abstract

We report that the phase of backward Stokes waves can be independently controlled, which is necessary for a beam combination laser using stimulated Brillouin scattering-phase conjugate mirrors (SBS-PCM). 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 Stokes waves via SBS is smaller than λ/4 for all the pump pulses.

Citation Download Citation

Seong Ku Lee, Dong Won Lee, Doo Hyun Baek, and Hong Jin Kong "Independent phase control of Stokes waves for beam combination", Proc. SPIE 5627, High-Power Lasers and Applications III, (26 January 2005); https://doi.org/10.1117/12.575234

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