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对于均匀展宽激光器的非线性镜锁模，提出了一种解析分析方法。所得脉冲包络为时间的双曲正割函数。得到了脉冲宽度的简单解析表示，并对结果进行了讨论。
For non-linear mirror mode-locking with uniform broadening laser, an analytical method is proposed. The resulting pulse envelope is a hyperbolic secant function of time. A simple analytical expression of the pulse width is obtained and the result is discussed.