光纤中的瞬态SBS过程的数值分析与探讨
Numerical analysis of temporal stimulated Brillouin scattering in optical fiber
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摘要: 通过数值方法得到了光纤中的瞬态SBS过程中耦合波和声场的强度分布图，从而分析了光纤中瞬态SBS的发生过程以及光纤长度、泵浦脉宽等因素对SBS反射率及阈值的影响，据此提出了一种新的光纤相位共轭器。Abstract: Using numerical calculation the distribution of pump wave, Stokes wave and sound wave in optical fiber during the whole SBS process can be achieved, which is useful to analyze the transient SBS processing and the influence of SBS reflectivity and threshold from the fiber length, pump pulse width. Hereby a new type of fiber phase conjugator with adjust able core radius is shown in this paper.
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