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Simultaneous measurement of gas absorption and path length by employing the first harmonic phase angle method in wavelength modulation spectroscopy

文献类型：期刊论文

作者Yang, Chenguang4,5; Mei, Liang3; Wang, Xingping2; Deng, Hao5; Hu, Mai5; Xu, Zhenyu5; Chen, Bing5; He, Yabai5; Kan, Ruifeng1,5
刊名OPTICS EXPRESS
出版日期2020-02-03
卷号28期号:3页码:3289-3297
ISSN号1094-4087
DOI10.1364/OE.383744
英文摘要Tunable diode laser absorption spectroscopy has been widely employed for gas sensing, where the gas concentration is often obtained from the absorption signal with a known or a fixed absorption path length. Nevertheless, there are also numerous applications in which the absorption path length is very challenging to retrieve, e.g., open path remote sensing and gas absorption in scattering media. In this work, a new approach, based on the wavelength modulation spectroscopy (WMS), has been developed to measure the gas absorption signal and the corresponding absorption path length simultaneously. The phase angle of the first harmonic signal (1f phase angle) in the WMS technique is utilized for retrieving the absorption path length as well as the gas absorption signal. This approach has been experimentally validated by measuring carbon dioxide (CO2) concentration in open path environment. The CO2 concentration is evaluated by measuring the reflectance signal from a distant object with hundreds of meters away from the system. The measurement accuracy of the absorption path length, evaluated from a 7-day continuous measurement, can reach up to 1%. The promising result has shown a great potential of utilizing the 1f phase angle for gas concentration measurements, e.g., open path remote sensing applications. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
WOS关键词MULTIPASS CELL
资助项目National Key R&D Program of China ; Chinese Ministry of Science and Technology[2016YFC0200600] ; Chinese Ministry of Science and Technology[2016YFC0302302] ; Chinese Ministry of Science and Technology[2016YFC1400604] ; Chinese Ministry of Science and Technology[2018YFC0213103] ; Instrument Developing Project of the Chinese Academy of Sciences[YJKYYQ20170062]
WOS研究方向Optics
语种英语
WOS记录号WOS:000514570800052
出版者OPTICAL SOC AMER
资助机构National Key R&D Program of China ; Chinese Ministry of Science and Technology ; Instrument Developing Project of the Chinese Academy of Sciences
源URL[http://ir.idsse.ac.cn/handle/183446/7521]  
专题深海工程技术部_深海资源开发研究室
通讯作者Kan, Ruifeng
作者单位1.Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, State Key Lab Appl Opt, Changchun 130033, Peoples R China
2.Univ Sci & Technol China, Dept Precise Machinery & Precise Instrument, Hefei 230027, Peoples R China
3.Dalian Univ Lechnol, Sch Optoelect Engn & Instrumentat Sci, Dalian 116024, Peoples R China
4.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Sanya 572000, Peoples R China
5.Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Key Lab Environm Opt & Technol, Hefei 230031, Peoples R China
推荐引用方式
GB/T 7714		 Yang, Chenguang,Mei, Liang,Wang, Xingping,et al. Simultaneous measurement of gas absorption and path length by employing the first harmonic phase angle method in wavelength modulation spectroscopy[J]. OPTICS EXPRESS,2020,28(3):3289-3297.
APA Yang, Chenguang.,Mei, Liang.,Wang, Xingping.,Deng, Hao.,Hu, Mai.,...&Kan, Ruifeng.(2020).Simultaneous measurement of gas absorption and path length by employing the first harmonic phase angle method in wavelength modulation spectroscopy.OPTICS EXPRESS,28(3),3289-3297.
MLA Yang, Chenguang,et al."Simultaneous measurement of gas absorption and path length by employing the first harmonic phase angle method in wavelength modulation spectroscopy".OPTICS EXPRESS 28.3(2020):3289-3297.

入库方式： OAI收割

来源：深海科学与工程研究所

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