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Acta Optica Sinica, Volume. 45, Issue 18, 1801006(2025)

Light Source for Ozone Differential Absorption Lidar Based on Intra-Cavity Raman Laser Technology (Invited)

Pan Liu1, Xinhui Sun2, Guangqiang Fan1, Yibin Fu1, Huihui Gao1, Yan Xiang3, Tianshu Zhang1,2、*, and Wenqing Liu1,2,3
Author Affiliations
  • 1Anhui Institute of Optics and Fine Mechanics, Hefei Institute of Physical Science, China Academy of Sciences, Hefei 230031, Anhui , China
  • 2Institute of Environment, Hefei Comprehensive National Science Center, Hefei 230088, Anhui , China
  • 3Institutes of Physical Science and Information Technology, Anhui University, Hefei 230039, Anhui , China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (13)
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    References (15)
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    Figures & Tables(13)
    Schematic diagram of the intra-cavity Raman laser system structure

    Fig. 1. Schematic diagram of the intra-cavity Raman laser system structure

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    Schematic diagram of wavelength conversion route

    Fig. 2. Schematic diagram of wavelength conversion route

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    Measured spectral diagrams of visible and ultraviolet laser. (a)(b) Visible laser; (c)(d) ultraviolet laser

    Fig. 3. Measured spectral diagrams of visible and ultraviolet laser. (a)(b) Visible laser; (c)(d) ultraviolet laser

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    Physical image of the intra-cavity Raman laser

    Fig. 4. Physical image of the intra-cavity Raman laser

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    Schematic diagram of ozone differential absorption lidar structure based on the intra-cavity Raman laser

    Fig. 5. Schematic diagram of ozone differential absorption lidar structure based on the intra-cavity Raman laser

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    Schematic diagram of the indoor ground-based ozone differential absorption lidar system

    Fig. 6. Schematic diagram of the indoor ground-based ozone differential absorption lidar system

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    Comparison detection results. (a) Ozone concentration (measuring time is 0:00); (b) consistency of two different measurements

    Fig. 7. Comparison detection results. (a) Ozone concentration (measuring time is 0:00); (b) consistency of two different measurements

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    Lidar system detection results

    Fig. 8. Lidar system detection results

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    Schematic diagram of the outdoor ground-based ozone differential absorption lidar system

    Fig. 9. Schematic diagram of the outdoor ground-based ozone differential absorption lidar system

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    Ground-based detection experiment results. (a) Aerosol extinction; (b) ozone concentration

    Fig. 10. Ground-based detection experiment results. (a) Aerosol extinction; (b) ozone concentration

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    Schematic diagram of the vehicle-mounted ground-based ozone differential absorption lidar system

    Fig. 11. Schematic diagram of the vehicle-mounted ground-based ozone differential absorption lidar system

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    Vehicle-mounted mobile monitoring experiment results

    Fig. 12. Vehicle-mounted mobile monitoring experiment results

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    • Table 1. Parameters for ozone differential absorption lidar system

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      Table 1. Parameters for ozone differential absorption lidar system

      DeviceItemContent
      TransmitterLaserIntra-cavity Raman laser
      Wavelength /nm290, 295, 580, 590
      Frequency /kHz4
      Output power /mW

      200@ultraviolet

      500@visible

      Divergence angle /mrad0.4
      ReceiverTelescopeCassegrain
      Telescope aperture /mm200
      Field of view /mrad1.5
      Receiver efficiency /%20
      Narrow filterFWHM: <2.0 nm,T>85%
      DetectorPhotomultiplier tube (Hamamatsu R9800)
      Data acquisitionAnalog digitizer and photon counter

      Entire

      system

      		Spatial resolution /m75
      Temporal resolution /min1
      Detection height /km0.2‒3
      Monitoring modeGround-based or movable observation
      Power requirement /W

      400 (indoor/mobile)

      1200 (outdoor, including air conditioner)

      Size /(m×m×m)0.5×0.5×1.4
      Weight /kg70
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    Pan Liu, Xinhui Sun, Guangqiang Fan, Yibin Fu, Huihui Gao, Yan Xiang, Tianshu Zhang, Wenqing Liu. Light Source for Ozone Differential Absorption Lidar Based on Intra-Cavity Raman Laser Technology (Invited)[J]. Acta Optica Sinica, 2025, 45(18): 1801006

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    Paper Information

    Category: Atmospheric Optics and Oceanic Optics

    Received: May. 30, 2025

    Accepted: Jul. 30, 2025

    Published Online: Sep. 19, 2025

    The Author Email: Tianshu Zhang (tszhang@aiofm.ac.cn)

    DOI:10.3788/AOS251186

    CSTR:32393.14.AOS251186

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology