OPM(Optical Performance Monitor) can measure the performance of the light in different wave length in the optical-fibre.
光性能监测仪OPM可以方便地检测出光纤中各个波长的光波的性能。
Microcomputcrs automatically control infrared grating monochrometer through interface circuit, and make a precise measurement of zero dispersion wave length for optical fibre material.
微机通过接口电路自动控制红外光栅单色仪，对光纤材料进行零色散波长的精确测量。
The key problem of FBG sensor study is the optical fiber diffraction grating signal demodulation, namely, the detection of small shifting of wave length.
研究光纤光栅传感器的关键问题是光纤光栅的信号解调，即波长微小移位的检测问题。
应用推荐