为了减少对调试员工的依赖性，提高产品调试速度和检测精度，设计出一种可以实现自动方向性调节的定向耦合器。
In order to reduce the dependency of tuning operators, improve the tuning speed and detection accuracy, it designed a directional coupler with automatic directivity tuning.
介绍一种紧凑的、能以较低输入光功率工作的光学双稳器件，由光电检测器、光纤定向耦合器和半导体激光二极管组合而成的。
A compact, low input power optical bistable device, combined with photodetector and optical fiber directional coupler and semiconductor laser diode, was presented.
利用该过耦合器组成的检测系统对光纤光栅传感器进行解调，得到了较好的响应。
Optic fiber grating sensor demodulation using over coupled coupler experiment is carried on and good response is obtained.
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