Improved modeling of microchannel plate response to hard X-rays

被引：4
|
作者：
Farley, D. R. [1 ]
Izumi, N. [1 ]
Landen, O. L. [1 ]
机构：
[1] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2013年 / 705卷
关键词：
Microchannel plate; Quantum efficiency; Response; X-ray; DETECTORS;
D O I：
10.1016/j.nima.2012.12.078
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
An improved model for microchannel platequantum efficiency and response at higher X-ray energies (up to 100's keV) is described, which builds on previous models by incorporating a more detailed consideration of photoelectron energies released in the MCP bulk. The contribution of multiple channel walls is included in the total response calculation. This model shows that MCP quantum efficiency and response decay as power law functions with energy, for photon energies > 140 keV. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：17 / 23
页数：7
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