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题名:
Detection of chemical warfare agents based on quantum cascade laser cavity ring-down spectroscopy
作者: Qu, Zhechao1,2; Gao, Chunming3; Han, Yanling1; Du, Xiaosong3; Li, Bincheng1
刊名: Chinese Optics Letters
出版日期: 2012
卷号: 10, 期号:5, 页码:050102
学科分类: Chemical warfare - Esters - Spectroscopy
DOI: 10.3788/COL201210.050102
通讯作者: Li, B. (bcli@ioe.ac.cn)
文章类型: 期刊论文
中文摘要: Chemical warfare agents (CWAs) are recognized as serious threats of terrorist acts against the civilian population. Minimizing the impact of these threats requires early detection of the presence of CWAs. Cavity ring-down spectroscopy (CRDS) is an exquisitely sensitive technique for the detection of trace gaseous species. In this letter, the CRDS technique is employed using a pulsed quantum cascade laser for the detection of dimethyl methylphosphonate (DMMP). A limit of DMMP detection of approximately 77 ppb is achieved. The best achievable sensitivity that corresponds to noise-equivalent absorption is approximately 2 × 10-7cm-1. © 2012 Chinese Optics Letters.
英文摘要: Chemical warfare agents (CWAs) are recognized as serious threats of terrorist acts against the civilian population. Minimizing the impact of these threats requires early detection of the presence of CWAs. Cavity ring-down spectroscopy (CRDS) is an exquisitely sensitive technique for the detection of trace gaseous species. In this letter, the CRDS technique is employed using a pulsed quantum cascade laser for the detection of dimethyl methylphosphonate (DMMP). A limit of DMMP detection of approximately 77 ppb is achieved. The best achievable sensitivity that corresponds to noise-equivalent absorption is approximately 2 × 10-7cm-1. © 2012 Chinese Optics Letters.
收录类别: SCI ; Ei
项目资助者: National Natural Science Foundation of China [60878038]
语种: 英语
WOS记录号: WOS:000303974200002
ISSN号: 16717694
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6604
Appears in Collections:薄膜光学技术研究室(十一室)_期刊论文

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作者单位: 1. Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, China
2. Graduate University of Chinese Academy of Sciences, Beijing 100049, China
3. School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu 610054, China

Recommended Citation:
Qu, Zhechao,Gao, Chunming,Han, Yanling,et al. Detection of chemical warfare agents based on quantum cascade laser cavity ring-down spectroscopy[J]. Chinese Optics Letters,2012,10(5):050102.
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