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首页> 外文会议>Conference on Adaptive Optics and Applications II, Oct 15-16, 2002, Shanghai, China >Analysis of Stimulated Brillouin Scattering in combined multi-mode optical fiber by numerical solution
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Analysis of Stimulated Brillouin Scattering in combined multi-mode optical fiber by numerical solution

机译：组合多模光纤中受激布里渊散射的数值解

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摘要

Based on numerical solution of the theoretical mode for the SBS process in a novel multimode fiber, the power distributions of coupled light and sound wave in an internally tapered fiber and during pulse persistence have been shown in this paper. Compare with a common fiber PCM, it's found that the energy threshold of SBS procedure in tapered fiber can decrease greatly to a few micro-joule while maximum SBS reflectivity can theoretically arrive to 98% and the dynamic-range is expended largely. In addition, the phenomenon of the power modulation of Stokes wave is explained, and a very narrow Stokes pulse with high peak power can be achieved with the optimizing fiber parameters.
机译：基于新型多模光纤中SBS过程理论模式的数值解，本文显示了内部锥形光纤中以及脉冲持续期间光和声波耦合的功率分布。与普通的光纤PCM相比，发现锥形光纤中SBS程序的能量阈值可以大大降低到几微焦耳，而理论上最大SBS反射率可以达到98％，并且动态范围大大扩展。另外，解释了斯托克斯波的功率调制现象，并且通过优化光纤参数可以实现具有高峰值功率的非常窄的斯托克斯脉冲。

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