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在考虑低阶和高阶色散的情况下， 给出了啁啾高斯光脉冲被啁啾光纤光栅反射后在光纤中传输时脉冲展宽的解析式， 讨论了啁啾光栅脉冲压缩和色散补偿中的几个重要问题。以线性啁啾光纤光栅为实例进行了数值计算， 发现了脉冲展宽的对称性质， 最后提出一种新颖的可用于估算脉冲受光纤光栅作用后脉宽展宽的简单办法。
In consideration of the low order and high order dispersion, the analytical expression of the pulse broadening when the chirped Gaussian optical pulse is reflected by the chirped fiber grating and transmitted in the optical fiber is given. The effects of the chirped grating pulse compression and dispersion compensation A few important questions. The linear chirped fiber grating is taken as an example to find out the symmetry property of pulse broadening. Finally, a new simple method to estimate the pulse width broadening after the pulse is impressed by the fiber grating is proposed.