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利用时－空矩阵ｑ－ｐ 参数分析方法讨论了相干光脉冲在自锁模激光谐振腔中的传输特性。通过数值计算模拟了掺钛蓝宝石飞秒激光器谐振腔中光斑和脉冲宽度在自锁模过程中的演变。计算过程简明，直观，与实验结果较好吻合。
The transmission characteristics of coherent light pulses in a self-mode-locked laser cavity are discussed using the time-space matrix q-p parameter analysis method. The evolution of spot and pulse width in the Ti: Sapphire femtosecond laser cavity during self-mode-locking process was simulated by numerical calculation. The calculation process is concise and intuitive, which is in good agreement with the experimental results.