采用光纤激光器作为光源，性能稳定，光电转换效率高，能耗低。

Using the fiber laser as light source, Stable performance, High photoelectric conversion efficiency, Low energy consumption.

youdao

我们提出采用光学双稳装置来稳定光源输出功率，并将它用于折射率调制型光纤传感器测量液体浓度的实验中。

We suggested to stable the output light intensity by using the bistable optical device and use this new device to measure the density of liquid by refractive index modulation sensor.

youdao

该装置利用光电测距仪的光源和测量光路，采用PF M调制，来完成测量主机到测量站的话音通信。

By utilizing the LED and light way of the instrument and employing PFM modulation, it can transmit voice from the master of the instrument to measuring point.

youdao