• Journal of Applied Optics
  • Vol. 43, Issue 6, 1165 (2022)
Shuangtuan DOU1,2,3, Liping FU1,2,3,4,*, Nan JIA1,2,3,4, and Tianfang WANG1,2,3,4
Author Affiliations
  • 1National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China
  • 2University of Chinese Academy of Sciences, Beijing 100190, China
  • 3Beijing Key Laboratory of Space Environment Exploration, Beijing 100190, China
  • 4Key Laboratory of Science and Technology on Environmental Space Situation Awareness, Beijing 100190, China
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    DOI: 10.5768/JAO202243.0604017 Cite this Article
    Shuangtuan DOU, Liping FU, Nan JIA, Tianfang WANG. Research on front-end electronics gain compensation of MCP imaging detector[J]. Journal of Applied Optics, 2022, 43(6): 1165 Copy Citation Text show less
    Schematic diagram of different electrode structures in WSA anode
    Fig. 1. Schematic diagram of different electrode structures in WSA anode
    Signal transmission model of readout circuit and waveform diagram
    Fig. 2. Signal transmission model of readout circuit and waveform diagram
    Effects of integral capacitance and shaping orders on quasi-Gaussian pulse peak
    Fig. 3. Effects of integral capacitance and shaping orders on quasi-Gaussian pulse peak
    Effects of shaping timeτi and shaping order n on peak phase of quasi-Gaussian pulse output in readout circuit
    Fig. 4. Effects of shaping timeτi and shaping order n on peak phase of quasi-Gaussian pulse output in readout circuit
    Detector image distortion caused by unequal gain of three readout circuits
    Fig. 5. Detector image distortion caused by unequal gain of three readout circuits
    Detector image distortion under conditions of gain of two channels of readout circuit is equal, and gain of the third channel is not equal to the other two channels
    Fig. 6. Detector image distortion under conditions of gain of two channels of readout circuit is equal, and gain of the third channel is not equal to the other two channels
    Schematic diagram of charge injection
    Fig. 7. Schematic diagram of charge injection
    Schematic diagram of gain calibration scheme of detector readout circuit
    Fig. 8. Schematic diagram of gain calibration scheme of detector readout circuit
    Decoded diagram of electron cloud centroid coordinates at different locations after gain calibration compensation of readout circuit
    Fig. 9. Decoded diagram of electron cloud centroid coordinates at different locations after gain calibration compensation of readout circuit
    Distorted image when gain of detector readout circuit is not equal
    Fig. 10. Distorted image when gain of detector readout circuit is not equal
    Normal image after gain compensation
    Fig. 11. Normal image after gain compensation
    Shuangtuan DOU, Liping FU, Nan JIA, Tianfang WANG. Research on front-end electronics gain compensation of MCP imaging detector[J]. Journal of Applied Optics, 2022, 43(6): 1165
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