• Infrared and Laser Engineering
  • Vol. 49, Issue 10, 20200006 (2020)
Haitao Zhang1, Zhulian Li1, Rufeng Tang1、2, Dongsheng Zhai1, Rongwang Li1, Xiaoyu Pi1, Honglin Fu1, and Yuqiang Li1
Author Affiliations
  • 1Yunnan Observatories, Chinese Academy of Sciences, Kunming 650216, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
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    DOI: 10.3788/IRLA20200006 Cite this Article
    Haitao Zhang, Zhulian Li, Rufeng Tang, Dongsheng Zhai, Rongwang Li, Xiaoyu Pi, Honglin Fu, Yuqiang Li. Application of array detection technology in laser ranging[J]. Infrared and Laser Engineering, 2020, 49(10): 20200006 Copy Citation Text show less
    Array SNSPD
    Fig. 1. Array SNSPD
    Output signal and noise of array SNSPD
    Fig. 2. Output signal and noise of array SNSPD
    GT8000 multi-channel system
    Fig. 3. GT8000 multi-channel system
    Software of multi-channel laser ranging data acquisition
    Fig. 4. Software of multi-channel laser ranging data acquisition
    Real-time data processing flow
    Fig. 5. Real-time data processing flow
    [in Chinese]
    Fig. 6. [in Chinese]
    Measured data and data processing
    Fig. 6. Measured data and data processing
    Diagram of laser ranging system based on array detection
    Fig. 7. Diagram of laser ranging system based on array detection
    Echo signal of space debris (902) laser ranging
    Fig. 8. Echo signal of space debris (902) laser ranging
    Echo signal of space debris (12 445) laser ranging
    Fig. 9. Echo signal of space debris (12 445) laser ranging
    ContentPerformance specification
    Response band500-1 700 nm
    Detection efficiency≥20%(@1 064 nm)
    Dark noise≤10000 cps(@20%)
    Time jitter≤400 ps
    Recovery time≤100 ns
    Output assignment50-180 mV
    Working modeFree
    Table 1. [in Chinese]
    ContentPerformance specification
    Main input channels2,SMA
    External clock channel1,SMA
    External arm channel1,SMA
    Output channels2,SMA
    Time resolution0.9 ps
    Frequency resolution10-12 digits/second
    Max measurement rate4 million/second per channel
    Main input channels frequency range2 700 MHz
    Table 2. [in Chinese]
    InstrumentMulti-channel ETA033-ET
    Time resolution0.9 ps<5 ps
    Dead time~1/2 700 MHz50 ns
    Max measurement rate~180 kHz/channel×18channel @software, 4 MHz/channel×20channel @hardware 12 kHz
    Table 3. [in Chinese]
    TargetGT668A033-ET
    Ground target/cm~0.5~0.6
    LAGEOS satellites/cm<1.5<1.5
    Other satellites/cm<2.0<2.0
    Table 4. [in Chinese]
    CodeApogee/kmRCS/m2Size/mRMS/m
    9001 0090.049Diameter 0.39<1.5
    9021 0780.045Diameter 0.39<1.5
    1 5201 1790.048Diameter 0.39<1.5
    Table 5. [in Chinese]
    DateRange/kmRMS/mLaser energy/W
    201901234250-51712.32~200
    201901276120-62612.12~200
    Table 6. [in Chinese]
    Haitao Zhang, Zhulian Li, Rufeng Tang, Dongsheng Zhai, Rongwang Li, Xiaoyu Pi, Honglin Fu, Yuqiang Li. Application of array detection technology in laser ranging[J]. Infrared and Laser Engineering, 2020, 49(10): 20200006
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