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Single-photon laser methane detection methodology and initial validation
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DOI：10.3788/COL202422.100101.png)
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摘要
En 中文
针对大浓度甲烷泄漏遥感监测的紧迫性，开发了一种基于近红外单光子雪崩二极管探测器 (SPAD) 和低功率分布反馈激光器的高速调制连续激光甲烷泄漏遥感方法。基于所提出的激光调制和时间相关单光子计数方法，该方法可以同时检测甲烷浓度和背景目标距离。研究了SPAD死区时间和脉冲后概率对甲烷光谱强度的影响。通过验证系统进行外场观察，还证明了所提出的测距和甲烷传感方法。对测得的甲烷吸收光谱强度进行了验证，与理论值相符。初步验证结果为后续单光子气体检测提供了新的方案，为后续甲烷监测设备的研制提供了参考。
Keyword:
single-photon avalanche diode
methane
remote sensing
continuous laser modulation spectroscopy
期刊
IF:
3.3
论文数:
4.0W
被引数:
7.6W
机构
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