基于可调谐激光检测技术的甲烷传感器 |
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引用本文: | 高昊.基于可调谐激光检测技术的甲烷传感器[J].煤矿安全,2013,44(6):94-95. |
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作者姓名: | 高昊 |
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作者单位: | 煤炭科学研究总院沈阳研究院,辽宁抚顺,113122 |
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摘 要: | 利用甲烷气体在1 653 nm附近的近红外吸收光谱,采用谐波检测的方法提出一种激光式甲烷传感器的设计理念,满足对传感器"高可靠性、高精度、高灵敏度"的需求。
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关 键 词: | 吸收光谱 频率调制 谐波检测 激光 传感器 |
A Methane Sensor Based on Tunable Laser Detection Technology |
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Abstract: | With harmonic wave detection method,the paper puts forward a kind of laser type methane sensor design concept,which it uses near infrared absorption spectrum of methane gas nearby 1653 nm.The method meets needs of " high reliability,high precision,high sensitivity" for sensor. |
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Keywords: | absorption spectrum frequency modulation harmonic wave detection laser sensor |
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