The use of push-pull probe can lower the demand of laser linewidth in optical fiber sensors, so we can use normal laser in optical fiber sensors and spread practicability of the system.

而采用推挽式探头设计结构，由于两臂等长可以降低传感器对激光器线宽的要求，采用普通的激光光源就可以满足要求，拓展了系统的实用性。

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The use of push-pull probe can lower the demand of laser linewidth in optical fiber sensors, so we can use normal laser in optical fiber sensors and spread practicability of the system.

而采用推挽式探头设计结构，由于两臂等长可以降低传感器对激光器线宽的要求，采用普通的激光光源就可以满足要求，拓展了系统的实用性。

youdao