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根据线性啁啾布拉格反射光纤光栅的一般原理，探讨了不同啁啾系数、准高斯耦合函数对布拉格反射光栅的反射率及色散补偿特性的影响，结果表明增大啁啾系数以及选取适当的准高斯耦合函数在保证反射率较大的情况下，能有效地改善色散补偿特性，并建立了设计反射率增益高、色散补偿幅度宽且平坦的线性啁啾布拉格光纤光栅的优化设计思想．
Based on the general principle of linearly chirped Bragg reflection fiber gratings, the effects of different chirp and quasi-Gaussian coupling functions on the reflectivity and dispersion compensation of Bragg grating are discussed. The results show that increasing the chirp coefficient and choosing the appropriate quasi-Gaussian The coupling function can effectively improve the dispersion compensation under the condition of large reflectivity, and the optimal design of linear chirped fiber Bragg grating with high gain of reflection and wide range of dispersion compensation is established.