This chapter introduced the theory of laser mode, the rate equation theory, the spatial distribution of the pump laser and the oscillating laser and the single frequency detection device.

本章分别介绍了激光器的模式理论、速率方程的理论、泵浦光和振荡光的空间分布以及对单频检测装置。

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Based on rate equations, the laser output characteristic under different fiber length and back-cavity mirrors is studied, and the distribution of pump power and laser power is discussed.

基于激光器速率方程，分析了激光输出与光纤长度、后腔镜的关系，讨论了小功率泵浦时光纤内的功率分布情况。

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