Based on the characteristic of spectrum absorption of acetylene, an optical fiber detection system for methane gas is presented, which has reference channel and is for on line and real time detection.
基于乙炔气体的光谱吸收特性，采用一种带有参考通道的光纤乙炔气体在线实时检测系统。
This system is constituted with the optical fiber sensor, signal detection electric circuit, single chip processing circuit and display unit.
该系统由光纤传感器、信号检测电路、单片机处理电路和显示装置组成。
FIG. 2 illustrates one embodiment of an optical communications system 200 with fiber break detection according to the present invention that includes a co-propagating Raman optical pump.
图2描述的是根据本发明的具有光纤中断检测的、包括同向传播的拉曼光泵浦的光通信系统200的一个实施例。
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