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首页> 外文期刊>Japanese journal of applied physics >Absolute Detection Efficiency of a High-Sensitivity MicroChannel Plate with Tapered Pores
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Absolute Detection Efficiency of a High-Sensitivity MicroChannel Plate with Tapered Pores

机译：具有锥形孔的高灵敏度微通道板的绝对检测效率

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摘要

We developed a microchannel plate (MCP) with tapered micropores that form a large effective open-area ratio (90%). The absolute detection efficiencies of conventional and tapered MCPs were measured for singly and multiply charged Xe ions at incident energies between 0.5 and 13.5 keV. Asymptotic values of the absolute detection efficiencies for the conventional and tapered MCPs were 65% and 88%, respectively. These values are nearly equal to the open-area ratios, indicating the MCPs with even higher detection efficiency can be developed.
机译：我们开发了带有锥形微孔的微通道板（MCP），可形成较大的有效开孔率（90％）。针对入射能量在0.5和13.5 keV之间的单个和多个带电Xe离子，测量了常规MCP和锥形MCP的绝对检测效率。传统MCP和锥形MCP的绝对检测效率的渐近值分别为65％和88％。这些值几乎等于开放面积比，表明可以开发出具有更高检测效率的MCP。

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  • 来源
    《Japanese journal of applied physics》 |2011年第11issue1期|p.000071-000074|共4页
  • 作者

    Shiro Matoba; Ryota Takahashi; Chihiro lo; Tetsuo Koizumi; Hamo Shiromaru;

  • 作者单位

    Department of Physics, Rikkyo University, Toshima, Tokyo 171-8501, Japan;

    Department of Physics, Rikkyo University, Toshima, Tokyo 171-8501, Japan;

    Department of Physics, Rikkyo University, Toshima, Tokyo 171-8501, Japan;

    Department of Physics, Rikkyo University, Toshima, Tokyo 171-8501, Japan;

    Department of Physics, Rikkyo University, Toshima, Tokyo 171-8501, Japan,Department of Chemistry, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan;

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