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The properties of opaque CsI photocathode
Liu, Yong-An1,2; Liu, Zhe1; Sheng, Li-Zhi1; Tian, Jin-Shou1; Wei, Ru-Yi1,3; Zhao, Bao-Sheng1
2018
会议名称Optoelectronic Imaging and Multimedia Technology V 2018
会议录名称Optoelectronic Imaging and Multimedia Technology V
卷号10846
会议日期2018-10-11
会议地点Beijing, China
出版者SPIE
产权排序1
摘要Cesium iodide (CsI) photocathode is widely used in various UV (ultraviolet) detecting devices because of its high quantum efficiency (QE) and good stability under short exposure to humid air. In this paper, the performance of the opaque CsI photocathode is studied, including imaging performance, influence of humidity on the quantum efficiency and the stability of the CsI photocathode under FUV irradiation. In the experiment, the input surface of the MCP was evenly divided into four parts. Different thicknesses of the CsI photocathode were deposited directly on the front surface of micro-channel plates (opaque photocathode). The response of different thicknesses and the stability of UV quantum efficiency of CsI photocathode under FUV illumination were studied by using UV monochromator. At the same time, the influence of humid air exposure on the quantum efficiency of CsI photocathode was tested. According to the experimental results, a FUV detector (vacuum tube) based on opaque CsI photocathode was fabricated and the quantum efficiency of the detector was tested. Absolute quantum efficiency of the FUV detector is over 15.5% at 121nm. © 2018 SPIE.
作者部门光电子学研究室
DOI10.1117/12.2505107
收录类别EI
ISBN号9781510622326
语种英语
ISSN号0277786X;1996771X
EI入藏号20190106339767
引用统计
文献类型会议论文
条目标识符http://ir.opt.ac.cn/handle/181661/31149
专题光电子学研究室
作者单位1.State Key Laboratory of Transient Optics and Photonics, Xi'An Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China;
3.CAS Key Laboratory of Spectral Imaging Technology, Xi'an; 710119, China
推荐引用方式
GB/T 7714
Liu, Yong-An,Liu, Zhe,Sheng, Li-Zhi,et al. The properties of opaque CsI photocathode[C]:SPIE,2018.
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