Experimental Study on Quantum Efficiency of a Microchannel Plate in 12nm～40nm

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Experimental Study on Quantum Efficiency of a Microchannel Plate in 12nm～40nm

Article | 更新时间：2020-08-12

- Experimental Study on Quantum Efficiency of a Microchannel Plate in 12nm～40nm
- Optics and Precision Engineering Vol. 16, Issue 1, Pages: 1-5(2008)
- 作者机构：
  
  长春光学精密机械与物理研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：29 March 2007，
  
  Revised：20 July 2007，
  
  Published Online：22 January 2008，
  
  Published：22 January 2008
- 稿件说明：
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李敏. 微通道板在12nm～40nm波段量子效率的实验研究[J]. 光学精密工程, 2008,16(1):1-5

Experimental Study on Quantum Efficiency of a Microchannel Plate in 12nm～40nm[J]. Optics and precision engineering, 2008, 16(1): 1-5.
李敏. 微通道板在12nm～40nm波段量子效率的实验研究[J]. 光学精密工程, 2008,16(1):1-5 DOI：

Experimental Study on Quantum Efficiency of a Microchannel Plate in 12nm～40nm[J]. Optics and precision engineering, 2008, 16(1): 1-5. DOI：

摘要

提出了一种用测量电压间接测量探测器输出电流的方法。用标定过极紫外辐射照射待测微通道板，测量微通道板输出电流，计算微通道板在12nm～40nm之间的量子效率。结果表明，在此波段，微通道板的量子效率在2％～12.3％之间

量子效率随波长的增大呈下降趋势。分析了导致MCP量子效率低的原因。

Abstract

In order to measuring the quantum efficiency (QE) of a microchannel plate (MCP)

a method advanced was to measure the current transmited from the MCP indirectly by measuring the voltage directly. The Extreme Ultraviolet radiation was firstly calibrated by a transferred standard detector and then illuminated the MCP

the current from the MCP was measured and the QE of the MCP was compputed in 12nm～40nm. The rusult indicated that the value of the QE was from 2% to 12.3% in above wave band and dropping with increasing wavelength. Finally

the reason making the QE low was analyzed.

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