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24 October 2017 Efficiency calibration of infrared single photon detectors by means of twin photons
Yu Feng, Yangyang Zhang, Pengyu Zhao
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Proceedings Volume 10463, AOPC 2017: Space Optics and Earth Imaging and Space Navigation; 104631H (2017) https://doi.org/10.1117/12.2285401
Event: Applied Optics and Photonics China (AOPC2017), 2017, Beijing, China
Abstract
Current efficiency calibration of detectors need to establish primary and transfer standard, the precision will be reduced by transfer chain. We propose a scheme for efficiency calibration of infrared single photon detectors by means of twin photons.Comparing with traditional methods, the advantages of this method are mentioned. Using ultraviolet laser to pump BBO crystal, the calibration system of infrared single photon detectors based on twin photons is performed. Quantum efficiency of ID220 detector is measured as (8.71±0.02) % at wavelength of 1550nm.
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Yu Feng, Yangyang Zhang, and Pengyu Zhao "Efficiency calibration of infrared single photon detectors by means of twin photons", Proc. SPIE 10463, AOPC 2017: Space Optics and Earth Imaging and Space Navigation, 104631H (24 October 2017); https://doi.org/10.1117/12.2285401
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KEYWORDS
Calibration
Single photon detectors
Infrared detectors
Infrared radiation
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