SHI Feng, CHENG Hong-chang, HE Ying-ping, LIANG Hong-jun. Optimization for signal-to-noise ratio of low-light-level image intensifier[J]. Journal of Applied Optics, 2008, 29(4): 562-564.
Citation: SHI Feng, CHENG Hong-chang, HE Ying-ping, LIANG Hong-jun. Optimization for signal-to-noise ratio of low-light-level image intensifier[J]. Journal of Applied Optics, 2008, 29(4): 562-564.
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Optimization for signal-to-noise ratio of low-light-level image intensifier

  • 1.

    Key Laboratory for Low-light-level Technology of COSTIND,Xi′an 710076,China;

  • 2.

    Xi′an Institute of Applied Optics,Xi′an 710065,China

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  • Corresponding author:

    SHI Feng

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    • Abstract
  • In order to improve the luminance gain of microchannel plate image intensifier, an electron multiplier mechanism-microchannel plate (MCP) was used in low light level image intensifier. The noise mechanism in the MCP was analyzed. By adjusting the energy and angle distribution of the incident electrons at MCP and keeping other MCP parameters unchanged, the optimum operation conditions of MCP for best signal-to-noise ratio were found. The best signal-to-noise ratio of the MCP image intensifier was achieved and the brightness gain of MCP image intensifier was improved.
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