Imaging properties of a tetra wedge readout

doi:10.1088/1674-1056/20/6/068503

中国物理B ›› 2011, Vol. 20 ›› Issue (6): 68503-068503.doi: 10.1088/1674-1056/20/6/068503

Imaging properties of a tetra wedge readout

刘永安¹, 鄢秋荣¹, 赛小锋¹, 韦永林¹, 盛立志¹, 赵宝升¹, 杨颢², 胡慧君²

(1)State Key Laboratory of Transient Optics and Photonics, Xián Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xián 710119, China; (2)State Key Laboratory of Transient Optics and Photonics, Xián Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xián 710119, China; Graduate University, Chinese Academy of Sciences, Beijing 100049, China

收稿日期:2010-11-10 修回日期:2010-12-02 出版日期:2011-06-15 发布日期:2011-06-15
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 31070887 and 10878005).

Imaging properties of a tetra wedge readout

Liu Yong-An (刘永安)^a, Yan Qiu-Rong (鄢秋荣)^a, Sai Xiao-Feng (赛小锋)^a, Wei Yong-Lin (韦永林)^a, Sheng Li-Zhi (盛立志)^a, Yang Hao (杨颢)^ab, Hu Hui-Jun (胡慧君)^ab, Zhao Bao-Sheng (赵宝升)^a

^a State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China; ^b Graduate University, Chinese Academy of Sciences, Beijing 100049, China

Received:2010-11-10 Revised:2010-12-02 Online:2011-06-15 Published:2011-06-15
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 31070887 and 10878005).

摘要/Abstract

摘要： The decoding principle of a tetra wedge anode, which is a development of the wedge and strip anode, is described. The influence of charge cloud size on decoding accuracy is studied using the Monte Carlo method. Simulation results show that the decoding error is large when the size of charge clouds collected by the anode is small. Thus, the charge clouds collected by the tetra wedge anode should reach a necessary size to ensure accurate decoding. Finally, using the ultraviolet photon counting imaging system, the linearity and the spatial resolution of the system are tested. Experimental results show that the system has a good linearity and the spatial resolution is better than 100 μm.

关键词: detectors, photon counting imaging, tetra wedge anode, microchannel plate

Abstract: The decoding principle of a tetra wedge anode, which is a development of the wedge and strip anode, is described. The influence of charge cloud size on decoding accuracy is studied using the Monte Carlo method. Simulation results show that the decoding error is large when the size of charge clouds collected by the anode is small. Thus, the charge clouds collected by the tetra wedge anode should reach a necessary size to ensure accurate decoding. Finally, using the ultraviolet photon counting imaging system, the linearity and the spatial resolution of the system are tested. Experimental results show that the system has a good linearity and the spatial resolution is better than 100 μm.

Key words: detectors, photon counting imaging, tetra wedge anode, microchannel plate

中图分类号: (Optoelectronic device characterization, design, and modeling)

85.60.Bt

85.45.Bz (Vacuum microelectronic device characterization, design, and modeling) 29.40.Gx (Tracking and position-sensitive detectors)

刘永安, 鄢秋荣, 赛小锋, 韦永林, 盛立志, 杨颢, 胡慧君, 赵宝升. Imaging properties of a tetra wedge readout[J]. 中国物理B, 2011, 20(6): 68503-068503.

Liu Yong-An (刘永安), Yan Qiu-Rong (鄢秋荣), Sai Xiao-Feng (赛小锋), Wei Yong-Lin (韦永林), Sheng Li-Zhi (盛立志), Yang Hao (杨颢), Hu Hui-Jun (胡慧君), Zhao Bao-Sheng (赵宝升). Imaging properties of a tetra wedge readout[J]. Chin. Phys. B, 2011, 20(6): 68503-068503.

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Imaging properties of a tetra wedge readout

Imaging properties of a tetra wedge readout

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