Evaluation of the thresholds of stimulated nonlinear scattered CW laser radiation in high-power fiber amplifiers
Slobozhanina M. G.1, Bochkova N. V.1, Bochkov A. V.1, Slobozhanin A. N.1
1Federal State Unitary Enterprise “Russian Federal Nuclear Center - Zababakhin All-Russia Research Institute of Technical Physics”
Email: dep5@vniitf.ru

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The paper describes a new approach for determining the threshold for stimulated nonlinear scattering in active and passive optical fibers. It is proposed to fix the power of the Stokes component at a certain level, which will make it possible to determine the threshold values of laser radiation powers, which characterize the manifestation of stimulated nonlinear scattering at the expected power level, in a convenient way from the applied point of view. Verification of the obtained expressions is given. Keywords: stimulated nonlinear scattering, fiber amplifier, stimulated nonlinear scattering threshold.
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