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Lidar Technology Based on Fiber System and its Application

EPJ Web of Conferences, 2020, Vol.237, p.7019 [Peer Reviewed Journal]

2020. This work is licensed under https://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and conditions, you may use this content in accordance with the terms of the License. ;ISSN: 2100-014X ;ISSN: 2101-6275 ;EISSN: 2100-014X ;DOI: 10.1051/epjconf/202023707019

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  • Title:
    Lidar Technology Based on Fiber System and its Application
  • Author: Cheng, Xuewu ; Xia, Yuan ; Yang, Yulian ; Lin, Xin ; Yang, Yong ; Liu, Linmei ; Li, Faquan
  • Liu, D. ; Wu, Y. ; Gross, B. ; Wang, Y. ; Moshary, F.
  • Subjects: Acousto-optics ; Atomic properties ; Fluorescence ; Frequency modulation ; Frequency stability ; Lidar ; Scattering cross sections ; Sodium ; Sodium layer ; Switches ; Thermosphere ; Ultrashort pulsed lasers ; Upper atmosphere
  • Is Part Of: EPJ Web of Conferences, 2020, Vol.237, p.7019
  • Description: The sodium atom existed in the metal layer of the earth’s atmosphere has a high atomic number density and a large scattering cross section. Sodium layer can act as a good tracer for atmospheric detection in the middle and lower-thermosphere (MLT) region. The sodium fluorescence lidar uses ultrashort pulsed laser to excite sodium atoms, which enabling simultaneous detection of wind and temperature in the middle and upper atmosphere. This paper reports on the development of sodium fluorescence laser radar in recent years, especially the integration of fiber-coupled optical switches and fiber-coupled acousto-optic frequency modulation technologies, which greatly improved the stability and reliability of lidar system and reduced the maintenance of lidar operation, laying a good foundation for the application of lidar observations under harsh environments. This technology has been applied to the sodium wind/temperature lidar in Yangbajing, Tibet and has been running stably for a long time.
  • Publisher: Les Ulis: EDP Sciences
  • Language: English
  • Identifier: ISSN: 2100-014X
    ISSN: 2101-6275
    EISSN: 2100-014X
    DOI: 10.1051/epjconf/202023707019
  • Source: Open Access: EDP Open
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    ROAD: Directory of Open Access Scholarly Resources
    ProQuest Central
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