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Detection of chemical warfare agents based on quantum cascade laser cavity ring-down spectroscopy
Qu, Zhechao1,2; Gao, Chunming3; Han, Yanling1; Du, Xiaosong3; Li, Bincheng1
Source PublicationCHINESE OPTICS LETTERS
Volume10Issue:5
2012-05-10
Language英语
Indexed BySCI
WOS IDWOS:000303974200002
SubtypeArticle
AbstractChemical 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 x 10(-7) cm(-1).
WOS KeywordPHOTOACOUSTIC-SPECTROSCOPY ; ABSORPTION-MEASUREMENTS ; SPECTROMETER
WOS Research AreaOptics
WOS SubjectOptics
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/2381
Collection光电技术研究所被WoS收录文章
Affiliation1.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Univ Elect Sci & Technol China, Sch Optoelect Informat, Chengdu 610054, Peoples R China
Recommended Citation
GB/T 7714
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).
APA Qu, Zhechao,Gao, Chunming,Han, Yanling,Du, Xiaosong,&Li, Bincheng.(2012).Detection of chemical warfare agents based on quantum cascade laser cavity ring-down spectroscopy.CHINESE OPTICS LETTERS,10(5).
MLA Qu, Zhechao,et al."Detection of chemical warfare agents based on quantum cascade laser cavity ring-down spectroscopy".CHINESE OPTICS LETTERS 10.5(2012).
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