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Analysis of simulated reflection characteristics of uniform and apodized fiber bragg gratings

机译:均匀和变迹的光纤布拉格光栅的模拟反射特性分析

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摘要

In this paper, the simulations of the reflectance of the uniform and apodized fiber Bragg gratings (FBG) arepresented. The simulations are based on the coupled–mode theory. The simulated reflectances of FBGs with different lengthsand the modulations of the refractive index were described. The influence on the bandwidth of the reflected spectra at theBragg wavelength and the maxima of the reflected energy were investigated. FBGs with several types of apodized variationsof the refractive indices were modeled to show how the sidelobes can be supressed.
机译:本文提出了均匀和变迹的光纤布拉格光栅(FBG)的反射率的模拟。仿真基于耦合模式理论。描述了不同长度的FBG的模拟反射率以及折射率的调制。研究了在布拉格波长对反射光谱带宽的影响以及反射能量的最大值。对具有几种切趾变率变化类型的FBG进行了建模,以显示如何抑制旁瓣。

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