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An ultraviolet photon counting imaging system based on charge induction readout was built and its structure, working principle and spatial resolution are reported. The single photon stream can be obtained via atmospheric dispersion, some weakeners, and narrow-band optical filters. A photo-electron produced in microchannel plate is multiplied, forming a charge cloud, which is collected on the Ge film and then detected through capacitive coupling by a PSA located a few millimeters behind the Ge film. The signal data from the anode is acquired and processed with software after being transformed, filtered and shaped by a charge-sensitive preamplifier and a main amplifier in sequence. Finally, a 30-minute counting image is obtained. The resolution of this system can reach 150 micrometers as tested with the resolution board, and the influence of Ge film resistivity and its substrate thickness on the performance of this system is also analyzed. The system is beneficial in good imaging properties and time resolution to bioluminescence, astronomy and nuclear radiant detection.
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Keywords:
- photon counting image /
- charge induction /
- Ge films /
- position sensitive anode
[1] Li W, Zhao B S, Zhao F F, Cao X B 2009 Acta Phot. Sin. 38 1353 (in Chinese) [李 伟、赵宝升、赵菲菲、曹希斌 2009 光子学报 38 1353]
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[4] Zhang X H, Zhao B S, Miao Z H, Zhu X P, Liu Y A, Zou W 2008 Acta Phys. Sin. 57 4238 (in Chinese) [张兴华、赵宝升、缪震华、朱香平、刘永安、邹 玮 2008 物理学报 57 4238]
[5] Miao Z H, Zhao B S, Zhang X H, Liu Y A 2008 Chin. Phys. Lett. 25 2698
[6] Lapington J S 2003 Nucl. Instr. and Meth. A 513 132
[7] Maia J M, Mrmann D, Breskin A, Chechik R, Veloso J F C A, dos Santos J M F 2007 Nucl. Instr. and Meth. A 580 373
[8] Lapington J S, Chakrabarti S, Cook T, Gsell J C, Gsell V T 2003 Nucl. Instr. and Meth. A 513 159
[9] Chen J, Li Y, Wu G, Zeng H 2007 Acta Phys. Sin. 56 5243 (in Chinese) [陈 杰、黎 遥、吴 光、曾和平 2007 物理学报 56 5243]
[10] Sun Y W, Qu J L, Zhao L L, Xu G X, Ding Z H, Niu H B 2008 Acta Phys. Sin. 57 772 (in Chinese) [孙怡雯、屈军乐、赵羚伶、许改霞、丁志华、牛憨笨 2008 物理学报 57 772]
[11] Céolin D, Chaplier G, Lemonnier M, Garcia G A, Miron C, Nahon L 2005 Rev. Sci. Instrum. 76 043302
[12] Vallerga J V, Kaplan G C, Siegmund O H W, Lampton M, Malina R F 1989 IEEE Trans. Nucl. Sci. 36 881
[13] Zhang X H, Zhao B S, Zhao F F, Liu Y A, Miao Z H, Zhu X P, Yan Q R 2009 Rev. Sci. Instrum. 80 033101
[14] Zhao F F, Zhao B S, Zhang X H, Li W, Zou W, Sai X F, Wei Y L 2009 Acta Opt. Sin. 29 3236 (in Chinese) [赵菲菲、赵宝升、张兴华、李 伟、邹 玮、赛小锋、韦永林 2009 光学学报 29 3236]
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[1] Li W, Zhao B S, Zhao F F, Cao X B 2009 Acta Phot. Sin. 38 1353 (in Chinese) [李 伟、赵宝升、赵菲菲、曹希斌 2009 光子学报 38 1353]
[2] Lapington J S 2004 Nucl. Instr. and Meth. A 525 361
[3] Jagutzki O, Barnstedt J, Spillmann U, Spielberger L, Mergel V, Ullmann-Pfleger K, Grewing M, Schmidt-Bcking H 1999 Proc.SPIE 3764 61
[4] Zhang X H, Zhao B S, Miao Z H, Zhu X P, Liu Y A, Zou W 2008 Acta Phys. Sin. 57 4238 (in Chinese) [张兴华、赵宝升、缪震华、朱香平、刘永安、邹 玮 2008 物理学报 57 4238]
[5] Miao Z H, Zhao B S, Zhang X H, Liu Y A 2008 Chin. Phys. Lett. 25 2698
[6] Lapington J S 2003 Nucl. Instr. and Meth. A 513 132
[7] Maia J M, Mrmann D, Breskin A, Chechik R, Veloso J F C A, dos Santos J M F 2007 Nucl. Instr. and Meth. A 580 373
[8] Lapington J S, Chakrabarti S, Cook T, Gsell J C, Gsell V T 2003 Nucl. Instr. and Meth. A 513 159
[9] Chen J, Li Y, Wu G, Zeng H 2007 Acta Phys. Sin. 56 5243 (in Chinese) [陈 杰、黎 遥、吴 光、曾和平 2007 物理学报 56 5243]
[10] Sun Y W, Qu J L, Zhao L L, Xu G X, Ding Z H, Niu H B 2008 Acta Phys. Sin. 57 772 (in Chinese) [孙怡雯、屈军乐、赵羚伶、许改霞、丁志华、牛憨笨 2008 物理学报 57 772]
[11] Céolin D, Chaplier G, Lemonnier M, Garcia G A, Miron C, Nahon L 2005 Rev. Sci. Instrum. 76 043302
[12] Vallerga J V, Kaplan G C, Siegmund O H W, Lampton M, Malina R F 1989 IEEE Trans. Nucl. Sci. 36 881
[13] Zhang X H, Zhao B S, Zhao F F, Liu Y A, Miao Z H, Zhu X P, Yan Q R 2009 Rev. Sci. Instrum. 80 033101
[14] Zhao F F, Zhao B S, Zhang X H, Li W, Zou W, Sai X F, Wei Y L 2009 Acta Opt. Sin. 29 3236 (in Chinese) [赵菲菲、赵宝升、张兴华、李 伟、邹 玮、赛小锋、韦永林 2009 光学学报 29 3236]
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