摘要A new prototype of single photon imaging system based on wedge and strip anodes is developed. The prototype can directly measure the intensity and position information for an ultra-weak radiant source which takes on the character of single photons. The image of the ultra-weak radiant source can be reconstructed with a wedge and strip anodes detector and an electronic readout subsystem by photon counting and photon position sensitive detecting in a period of time. With proper evaluation, the prototype reveals a spatial resolution superior to 150μm, a 66-kHz maximal counting rate and a dark-count below 0.67count/cm2s.
Abstract：A new prototype of single photon imaging system based on wedge and strip anodes is developed. The prototype can directly measure the intensity and position information for an ultra-weak radiant source which takes on the character of single photons. The image of the ultra-weak radiant source can be reconstructed with a wedge and strip anodes detector and an electronic readout subsystem by photon counting and photon position sensitive detecting in a period of time. With proper evaluation, the prototype reveals a spatial resolution superior to 150μm, a 66-kHz maximal counting rate and a dark-count below 0.67count/cm2s.
(Vacuum microelectronic device characterization, design, and modeling)
引用本文:
MIAO Zhen-Hua;ZHAO Bao-Sheng;ZHANG Xing-Hua;LIU Yong-An. A Single Photon Imaging System Based on Wedge and Strip Anodes[J]. 中国物理快报, 2008, 25(7): 2698-2701.
MIAO Zhen-Hua, ZHAO Bao-Sheng, ZHANG Xing-Hua, LIU Yong-An. A Single Photon Imaging System Based on Wedge and Strip Anodes. Chin. Phys. Lett., 2008, 25(7): 2698-2701.
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