中国开放科研知识云: 检索

Photon Counting Imaging with Low Noise and a Wide Dynamic Range for Aurora Observations 期刊论文
Sensors, 2020, 卷号: 20, 期号: 20, 页码: 21
作者: Z. W. Han,K. F. Song,H. J. Zhang,M. Yu,L. P. He,Q. F. Guo,X. Wang,Y. Liu and B. Chen

收藏 | 浏览/下载：2/0 | 提交时间：2021/07/06

The Influence of n-AlGaN Inserted Layer on the Performance of Back-Illuminated AlGaN-Based p-i-n Ultraviolet Photodetectors 期刊论文
Physica Status Solidi a-Applications and Materials Science, 2018, 卷号: 215, 期号: 2, 页码: 5
作者: Chen, Y. R.; Zhang, Z. W.; Li, Z. M.; Jiang, H.; Miao, G. Q.

收藏 | 浏览/下载：0/0 | 提交时间：2019/09/17

AlGaN inserted layers p-i-n structures ultraviolet photodetectors suppression diodes Materials Science Physics

Novel Omega-Shaped Core-Shell Photodetector with High Ultraviolet Selectivity and Enhanced Responsivity 期刊论文
Advanced Functional Materials, 2017, 卷号: 27, 期号: 47
作者: Hu, M. X.; F. Teng; H. Y. Chen; M. M. Jiang; Y. Z. Gu

收藏 | 浏览/下载：15/0 | 提交时间：2018/06/13

Small molecules based on tetrazine unit for efficient performance solution-processed organic solar cells 期刊论文
Solar Energy Materials and Solar Cells, 2016, 卷号: 155
作者: Ma, P. F.; C. Wang; S. P. Wen; L. Wang; L. Shen

收藏 | 浏览/下载：14/0 | 提交时间：2017/09/11

Influence factors on SNR of TDICCD space camera 期刊论文
Guangxue Jingmi Gongcheng/Optics and Precision Engineering, 2015, 卷号: 23, 期号: 7, 页码: 1829-1837
作者: Liu, Z.-X.; Z. Wan; X.-S. Li; B.-Y. Li and Y.-R. Shao

收藏 | 浏览/下载：14/0 | 提交时间：2016/08/24

远紫外感应式阳极光子计数成像探测器研究 学位论文
博士: 中国科学院大学, 2014
韩素立

收藏 | 浏览/下载：36/0 | 提交时间：2014/08/21

The calibration of faint simulation star magnitude based on single photon count technique (EI CONFERENCE) 会议论文
International Symposium on Photoelectronic Detection and Imaging 2009: Advances in Imaging Detectors and Applications, June 17, 2009 - June 19, 2009, Beijing, China
Gan X.-J.; Guo J.; Xu S.-Y.

收藏 | 浏览/下载：20/0 | 提交时间：2013/03/25

A calibration method of faint star magnitude of the star scene simulation device is proposed in this paper. In the research of simulation star magnitude luminometers and CCD devices are the general calibration devices which are used to measure the illumination intensity and calibrate its magnitude. But if the simulation magnitude is only sixth magnitude its illumination intensity is only 1.010-8 Lux. This illumination intensity level is the lowest illumination intensity that the commercial luminometer can detect. Hence the simulation star magnitude lower than six magnitude cannot be calibrated by luminoters. Likewise CCD devices also need an additive cooler in this case. When the single photon characteristic is presented due to the low luminosity of simulating light sources the simulation star magnitude can be calibrated by detecting its photon flux of radiation with the method of single photon count. In this paper the detection principle of single photon based on a compact designed PMT detecting of the radiation level of simulation star magnitude is advanced. Especially a spectrum match method is proved theoretically to be an effective means for selecting PMT photosensitive type. In the case of the detection object of the simulation star in visible wavelength a analysis indicates that the material of tri-alkali cathode materials its best choice after being compared the Signal-to-Noise of photon detector of several PMT photosensitive materials based on the different spectrum match ratio of different object light sources and different cathode materials. An experiment is employed to show the relationship of control voltage of PMT and its dark counter the relationship of the environment temperature of PMT and its dark counter which proves its only decades of CPS at room temperature. The so low dark counter avoids a bulky cooler and is convenient for installing it on the star scene simulation equipment. Finally in the experiment of calibrating the simulation star magnitudes the ability of its calibration is confirmed to reaches up to 12m meanwhile its calibration error is within 0.2m. 2009 SPIE.

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