The effect on output power of distribution of space variation, crystal length and transmissivity has been discussed in detail.

讨论了泵浦光及振荡光的空间分布变量、晶体长度和透射率对输出功率的影响。

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For the non-function intensity type fiber optic sensors, the main intensity errors are caused by the variation of (1)source device output optical power;

在非功能式强度型光纤传感器中，造成光强变化而导致较大信号误差的主要原因有如下几个方面：（1）光源输出光功率的变化；

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