乙炔气体浓度的TDLAS在线监测

来源 :红外与激光工程 | 被引量 : 1次 | 上传用户：wujingtao

【摘要】

：

介绍了利用可调谐半导体激光吸收光谱(TDLAS)技术实现乙炔浓度在线监测的研究。该系统通过复合调制信号调制近红外分布反馈式二极管激光器(DFB LD)作为光源,光纤耦合器将激光分为两束,分别通过0.5 m封闭短光程气体吸收池和参考光路,双路接收采集含有气体浓度信息的测量光信号和参考光信号送后级处理,应用快速傅里叶变换(FFT)得到含有气体浓度信号的各次谐波检测分量,实现乙炔浓度信息反演,其中多次平

【作者】

：

丁志群鲍吉龙赵洪霞章学首

【机构】

：

宁波工程学院电子与信息工程学院

【出处】

：

红外与激光工程

【发表日期】

：

2013年04期

【关键词】

：

气体浓度监测短光路气体池可调谐半导体激光吸收光谱

【基金项目】

：

宁波市自然科学基金

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乙炔气体浓度的TDLAS在线监测

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