Absolute quantum efficiency calibration of analog detectors with twin photon current |
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| Authors: | Dongyang Gao Maopeng Xia Jianjun Li Youbo Hu Xiaobing Zheng |
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| Institution: | 1.Key Laboratory of Optical Calibration and Characterization, Anhui Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Hefei,China;2.University of Science and Technology of China,Hefei,China |
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| Abstract: | Correlated photon is exploited as a tool for absolute quantum efficiency calibration of photon detectors working in the photon-counting regime. We extend the method from photon-counting regime to the absolute calibration of analog regime photon detectors. A revised calibration module is proposed based on balance detection and fluctuation restrictions conditions applied to analog photon detectors. An absolute calibration experimental system is established. This method shows a relative standard uncertainty of 2.1% and a relative deviation of 1% compared with those of the typical photomultiplier quantum efficiency. |
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