Nd:YAG laser resonator with phase-conjugating mirror using Stimulated Brillouin Scattering based on SF6 gas

Jun Chen; Ying Long; Yueru Ma

doi:10.1117/12.130475

28 October 1992 Nd:YAG laser resonator with phase-conjugating mirror using Stimulated Brillouin Scattering based on SF₆ gas

Jun Chen, Ying Long, Yueru Ma

Author Affiliations +

Proceedings Volume 1726, 1992 Shanghai International Symposium on Quantum Optics; (1992) https://doi.org/10.1117/12.130475
Event: 1992 Shanghai International Symposium on Quantum Optics, 1992, Shanghai, China

Abstract

Since Zel' dovich discovered the phase conjugate character or stimulated Brillouin scattering (SBS), there has been considerable interest in using phase conjugation to improve the beam quality of high power laser. In this paper we report our investigation of the Nd:YAG laser oscillator with a SBS cell filled with high pressure gas SF₆ as the SBS nonlinear medium. The SBS cell acts at the same time as the phase conjugating mirror and as the Q-switch because of its intensity dependent reflectivity. As a result laser pulses with the energy of 100 mJ and the duration of 10 - 25 ns per pulse have been obtained. The beam profile is nearly TEM₀₀-mode.

Citation Download Citation

Jun Chen, Ying Long, and Yueru Ma "Nd:YAG laser resonator with phase-conjugating mirror using Stimulated Brillouin Scattering based on SF₆ gas", Proc. SPIE 1726, 1992 Shanghai International Symposium on Quantum Optics, (28 October 1992); https://doi.org/10.1117/12.130475

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