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Acta Optica Sinica, Volume. 40, Issue 2, 0228002(2020)

Laser Ranging for Space Debris Using Double Telescopes with Kilometer-Level Distance

Mingliang Long1, Haifeng Zhang1,2、*, Huarong Deng1, Kai Tang1, Zhongping Zhang1,2, and Ali Zhang3
Author Affiliations
  • 1Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China
  • 2Key Laboratory of Space Object and Debris Observation, Chinese Academy of Sciences, Nanjing, Jiangsu 21008, China
  • 3Xinjiang Astronomical Observatory, Chinese Academy of Sciences, Urumqi, Xinjiang 830011, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (10)
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    References (17)
    Cited By (10)
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    Figures & Tables(10)
    Structural diagram of Shanghai Observatory’s satellite laser ranging system

    Fig. 1. Structural diagram of Shanghai Observatory’s satellite laser ranging system

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    Diagram of delay measurement/ranging structure in SLR system

    Fig. 2. Diagram of delay measurement/ranging structure in SLR system

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    Measurement of transmission delay in SLR system

    Fig. 3. Measurement of transmission delay in SLR system

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    Mode measurement of main pulse detector, detector, and photocell in channels A and B of timer

    Fig. 4. Mode measurement of main pulse detector, detector, and photocell in channels A and B of timer

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    Range detection in SLR

    Fig. 5. Range detection in SLR

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    Locations of laser transmitting telescope and laser receiving telescope

    Fig. 6. Locations of laser transmitting telescope and laser receiving telescope

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    Calculation of range gate control value for remote multi-receiving telescopes

    Fig. 7. Calculation of range gate control value for remote multi-receiving telescopes

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    Signals from transmitting telescope and receiving telescope for space debris (ID: 11672). (a) Transmitting telescope; (b) receiving telescope

    Fig. 8. Signals from transmitting telescope and receiving telescope for space debris (ID: 11672). (a) Transmitting telescope; (b) receiving telescope

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    • Table 1. Main performance parameters of telescope systems located in Sheshan and Science and Technology Park

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      Table 1. Main performance parameters of telescope systems located in Sheshan and Science and Technology Park

      TypeTelescope in SheshanTelescope at Science and Technology Park
      Optical systemR-CR-C
      Mounted typeAZ-ELAZ-EL
      Focus length /m5.25.2
      Receiving optical efficiency60%@532 nm60%@532 nm
      Detector20%@532 nm40%@532 nm
      Detection field of view /(″)90135
      Tracking root-mean-square /(″)11
      Event timerA033A033
      Transmitting optical efficiency70%@532 nm—
      Laser power60 W@200 Hz—
      Transmitting telescope diameter /cm21—
      Angle of laser divergence /(″)10-12—

    • Table 2. Measurement results for space debris with two telescopes

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      Table 2. Measurement results for space debris with two telescopes

      IDName of space debrisRCS /m2Measured distance /kmRanging precision /cm
      Main telescopeFellowing telescope
      21610ArianeR_B16.841390129.2149.0
      16182SL-16R_B12.051030141.0141.7
      11672SL-14R_B4.21116056.264.7
      16720SL-14R_B3.58117074.962.2
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    Mingliang Long, Haifeng Zhang, Huarong Deng, Kai Tang, Zhongping Zhang, Ali Zhang. Laser Ranging for Space Debris Using Double Telescopes with Kilometer-Level Distance[J]. Acta Optica Sinica, 2020, 40(2): 0228002

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    Paper Information

    Category: Remote Sensing and Sensors

    Received: Jul. 22, 2019

    Accepted: Sep. 19, 2019

    Published Online: Jan. 2, 2020

    The Author Email: Zhang Haifeng (hfzhang@shao.ac.cn)

    DOI:10.3788/AOS202040.0228002

    Topics

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