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Physics and Astronomy (1)

brillouin frequency shift

Laser and Particle Beams (1)

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Research on the enhancement of power-load of two-cell SBS system by choosing different media or mixture medium
W.L.J. Hasi, Z.W. Lu, Q. Li, W.M. He
Journal:

Laser and Particle Beams / Volume 25 / Issue 2 / June 2007

Published online by Cambridge University Press:

19 June 2007, pp. 207-210
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In order to enhance the power-load of two-cell stimulated Brillouin scattering (SBS) system, methods of using different media and mixed medium are proposed. In theory, the amplification function of two-cell system of different medium with close vicinity in the Brillouin frequency shift (BFS) is analyzed. Also the variation of BFS of the mixed medium with the mixing ratio is analyzed. In the two-cell SBS system pumped by Q-switched Nd:YAG laser, the SBS system performance characteristics are investigated with different media and mixed medium. The experimental results indicate that the Stokes can be sufficiently amplified by choosing different medium with close vicinity in the BFS; the power-load performance is enhanced as well as the maximum amplification efficiency the Stokes by choosing mixed medium.