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22 April 2005 Analytic modeling of Brillouin gain in rare-earth doped fiber amplifiers with high-power single-frequency signals
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Abstract
The effect of temperature variation along a high power fiber amplifier on the SBS threshold is considered theoretically. We show that for an end-pumped rare-earth doped double-clad fiber the inhomogeneous distribution of temperature, which is caused by absorption of pump radiation, may result in total suppression of SBS even for output powers well above 200 W.
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V. I. Kovalev, R. G. Harrison, J. Nilsson, Y. Jeong, V. Hernandes-Solis, and J. K. Sahu "Analytic modeling of Brillouin gain in rare-earth doped fiber amplifiers with high-power single-frequency signals", Proc. SPIE 5709, Fiber Lasers II: Technology, Systems, and Applications, (22 April 2005); https://doi.org/10.1117/12.591913
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