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Volume 40 Issue 6
Jun 2026
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Chinese Journal of High Pressure Physics  > 2026  >  40(6): 063402.
YANG Jing, SHAN Lianqiang. Simulation Study on Hard X-Ray Detection Efficiency for Microchannel Plate[J]. Chinese Journal of High Pressure Physics, 2026, 40(6): 063402. doi: 10.11858/gywlxb.20251193
Citation: YANG Jing, SHAN Lianqiang. Simulation Study on Hard X-Ray Detection Efficiency for Microchannel Plate[J]. Chinese Journal of High Pressure Physics, 2026, 40(6): 063402. doi: 10.11858/gywlxb.20251193
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Simulation Study on Hard X-Ray Detection Efficiency for Microchannel Plate

doi: 10.11858/gywlxb.20251193
  • 1.

    National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621999, Sichuan, China

  • 2.

    Laboratory of Science and Technology on Plasma Physics, Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621999, Sichuan, China

  • Received Date: 09 Sep 2025
  • Rev Recd Date: 02 Nov 2025
  • Accepted Date: 27 Jan 2026
    • Available Online: 11 Nov 2025
  • Issue Publish Date: 05 Jun 2026
    Abstract
  • An optimized influence model of the microchannel plate on the response efficiency of hard X-rays was developed to improve the detection efficiency of hard X-rays. This model incorporates relevant material and structural parameters of the MCP, and further accounts for the crosstalk effects among atomic shells of the substrate material. Based on this model, the influence of key parameters—including substrate material, channel diameter, inter-channel wall thickness, and overall plate thickness—on the detection efficiency was analyzed. Considering current technological constraints, optimal values for these parameters and the corresponding detection efficiency were determined. The results indicate that the detection efficiency for hard X-rays in the 50–200 keV energy range can exceed 45%.

     

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