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  • Received: Nov. 19, 2020

    Accepted: Dec. 8, 2020

    Posted: Jan. 1, 2021

    Published Online: Feb. 23, 2021

    The Author Email: Liu Wenqing (wqliu@aiofm.ac.cn), Chen Bing (bchen@aiofm.ac.cn)

    DOI: 10.3788/AOS202141.0130003

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    Wenqing Liu, Xingping Wang, Guosheng Ma, Ying Liu, Zhihao Zhao, Xiang Li, Hao Deng, Bing Chen, Ruifeng Kan. Research of High Sensitivity Cavity Ring-Down Spectroscopy Technology and Its Application[J]. Acta Optica Sinica, 2021, 41(1): 0130003

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Acta Optica Sinica, Vol. 41, Issue 1, 0130003 (2021)

Research of High Sensitivity Cavity Ring-Down Spectroscopy Technology and Its Application

Liu Wenqing1,*, Wang Xingping1,2, Ma Guosheng1,3, Liu Ying1,3, Zhao Zhihao4, Li Xiang1, Deng Hao1, Chen Bing1,**, and Kan Ruifeng1

Author Affiliations

  • 1Key Laboratory of Environmental Optics and Technology, Anhui Institute of Optics and Fine Mechanics, Hefei Institute of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China
  • 2School of Engineering Science, University of Science and Technology of China, Hefei, Anhui 230027, China
  • 3School of Science Island, University of Science and Technology of China, Hefei, Anhui 230031, China
  • 4College of Information Science and Engineering, Northeastern University, Shenyang, Liaoning 110000, China

Abstract

Cavity ring-down spectroscopy (CRDS) technology has high precision, high sensitivity, and large linear dynamic range, and is widely used in environmental carbon and water cycle monitoring, human expiratory monitoring, and deep sea/ocean dissolved gas monitoring. This review article briefly introduces the basic principle of CRDS and its development history, and summarizes the recent progress in the application of trace gas and isotope detection in domestic and foreign research institutions. The content, the achieved progress, and the existing problems of our research are given in detail in the fields of environmental atmospheric greenhouse gas detection, Qinghai-Tibet Plateau gas profile detection, and deep-sea dissolved gases and their isotopes detection. Application prospect and future development trend of CRDS in trace gas detection are prospected.

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