基于光谱吸收原理光纤甲烷传感器实验分析与研究  

Experimental Analysis and Research of Fiber-Optic Methane Sensor Based on Spectrum Absorption Principle

作　　者：关中辉[1] 贺玉凯[2] 吴久晏[2] 

机构地区：[1]辽宁工程技术大学,辽宁阜新123000 [2]中国矿业大学,北京100083

出　　处：《现代电子技术》2006年第9期96-98,共3页Modern Electronics Technique

摘　　要：光纤气体传感器是一种新型传感器,从光纤链路损耗实验、光源驱动和锁相放大电路输出波形实验、甲烷气体吸收实验等3个方面对甲烷气体传感器性能进行了分析和测试。实验结果表明基于光谱吸收原理的光纤甲烷传感器系统性能较为稳定,灵敏度较高,测量范围宽,重复性较好,因此该传感器适合于煤矿井下瓦斯检测,满足各种要求。Fiber- optic gas sensor is a novel sensor,a performance of methane sensor is analyzed and tested from the aspect of the fiber- optic link loss,driving technology light source and output waveform of the phase - locked amplification circuit, methane absorption and etc in this paper. The experimental results have shown that the methane sensor system based on principle of spectrum absorption has a steady performance, a high sensitivity,a wide measurement range,a good repeatability,thus it is fit for detecting methane gas in mine and meets the requirements for many applications.

关 键 词：光纤 传感器 链路损耗 光谱吸收原理 

分 类 号：TP212.14[自动化与计算机技术—检测技术与自动化装置]