Volume 37 Issue 6
Nov.  2017
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ZHOU Ping, WANG Wenjing, JING Tao, ZHANG Aibing, GUO Panlin, SHENG Shugang, JING Yuhui, SUN Yueqiang, LIANG Jinbao, ZHU Guangwu, JI Wentao, MA Liyuan. Development of the Testing and Calibration Platform for Space Electron Radiation Environment Research Payloads[J]. Journal of Space Science, 2017, 37(6): 738-747. doi: 10.11728/cjss2017.06.738
Citation: ZHOU Ping, WANG Wenjing, JING Tao, ZHANG Aibing, GUO Panlin, SHENG Shugang, JING Yuhui, SUN Yueqiang, LIANG Jinbao, ZHU Guangwu, JI Wentao, MA Liyuan. Development of the Testing and Calibration Platform for Space Electron Radiation Environment Research Payloads[J]. Journal of Space Science, 2017, 37(6): 738-747. doi: 10.11728/cjss2017.06.738

Development of the Testing and Calibration Platform for Space Electron Radiation Environment Research Payloads

doi: 10.11728/cjss2017.06.738
  • Received Date: 2016-09-30
  • Rev Recd Date: 2017-09-26
  • Publish Date: 2017-11-15
  • In order to test and calibrate the satellite payloads-electron detectors, the medium-and high-energy electron accelerators with extremely weak beam current to simulate the electron radiation environment of space have been built, including the experimental terminal which have a vacuum chamber and a vacuum rotation plate. This work focuses on the physical design and simulation of extremely weak, uniform, parallel electron beam of the medium-energy one, by using electron trajectory program Egun. The simulation results of electron trajectory in the initial focusing system, the accelerating tube and the twice beam broaden on different conditions including without grid, with ideal grid and with 1mm diameter aperture grid in the spherical electron gun are presented. Finally, the beam density, 105~109cm-2·s-1 within the ø 50mm target area, can be weakened by 8 orders of magnitude from the electron gun to the target area, and could satisfy the requirement of electron detectors testing and calibration experiment.

     

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