Statistics – Applications
Scientific paper
Jan 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005spie.5633..439f&link_type=abstract
Advanced Materials and Devices for Sensing and Imaging II. Edited by Wang, Anbo; Zhang, Yimo; Ishii, Yukihiro. Proceedings of
Statistics
Applications
Scientific paper
Theoretical foundation and principle programmer will be studied in this paper that special photosensitive Si-PSD (Si-Position Sensitive Detector) is rebuilt into electron bombardment mode device, which is based on minimal weak light detecting technical demands and exciting principle of high-energy electronic beam acting on silicon semiconductor. At the same time we will bring forward new concept device of electron bombardment mode PSD. According to the theoretical foundation and principle programmer, we present the practical measurement result that semiconductor gain of electron bombardment mode device is obtained. When incident electron energy is more than 4KeV, then obtained more than 103 gain. We have produced high-sensitivity photon-counting imaging detector (MCP-PSD tube) with 108~109 gain, which combined the research of microchannel plate (MCP) cascade applications with electron bombardment mode device. This paper also will present the substantial photograph of electron bombardment mode PSD device and MCP-PSD tube. Finally we will bring forward prospect realizing detection of minimal weak light photon-counting imaging.
Duanmu Qingduo
Fu Lichen
Jiang Delong
Li Ye
Tian Jingquan
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