Chinese Optics Letters, Volume. 14, Issue 3, 030401(2016)
Enhanced solar-blind ultraviolet single-photon detection with a Geiger-mode silicon avalanche photodiode
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Fig. 1. Experimental setup. Xe Lamp, xenon lamp; L1, L2, UV fused silica lenses; Dia1, 2, diaphragm; Attn, attenuator. Insets: (a) Collecting device based on a concave mirror. (b) Collecting device based on a coated level hemisphere.
Fig. 3. Increase of the detection efficiency and the enhancement factor of the Si APD with the collecting concave mirror at different wavelengths.
Fig. 4. Si APD counting rate as a function of the incident photon intensity at 280 nm.
Table 1. Parameters of the Collecting Device and the Detection Efficiency
View tableView in ArticleTable 1. Parameters of the Collecting Device and the Detection Efficiency
(%) (%) (%) (%) (%) Experimental 85 73 35 4.50 4.67 Optimal 100 73 90 4.50 13.11
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Yafan Shi, Zhaohui Li, Baicheng Feng, Peiqin Yan, Bingcheng Du, Hui Zhou, Haifeng Pan, Guang Wu, "Enhanced solar-blind ultraviolet single-photon detection with a Geiger-mode silicon avalanche photodiode," Chin. Opt. Lett. 14, 030401 (2016)
Paper Information
Category: Detectors
Received: Nov. 8, 2015
Accepted: Jan. 8, 2016
Published Online: Aug. 6, 2018
The Author Email: Guang Wu (gwu@phy.ecnu.edu.cn)
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