Trace Gas Sensing Based on Laser Photoacoustic Spectroscopy

Y. Ma
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Abstract

There is significant meaning for the development of trace gas detection in the atmospheric environment monitoring, long distance detection of explosives and the physiological state of biont. For example, the trace gas of atmosphere, however, always exists with the concentration of pptv-ppmv. Although the concentration is very low, it has a great impact on the environment. Detecting this trace gases’ component, concentration and its variation in the interspaces and period precisely have an extraordinary meaning, especially in the basic research fields and applied technique domain.
基于激光光声光谱的痕量气体传感
微量气体检测技术在大气环境监测、炸药远距离探测和生物生理状态监测等方面的发展具有重要意义。例如大气中的微量气体,总是以pptv-ppmv的浓度存在。虽然浓度很低,但对环境的影响很大。准确地检测这类微量气体的组分、浓度及其在空间和周期中的变化,特别是在基础研究领域和应用技术领域具有非凡的意义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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