Researching | Photon Counting Experiment Based on InGaAs Detector in Daylight

Chinese Journal of Lasers, Volume. 45, Issue 11, 1104003(2018)

Photon Counting Experiment Based on InGaAs Detector in Daylight

Ding Yuxing^1,2, Li Yongfu³, Liu Hongbin^1,2, Huang Genghua¹, and Wang Jianyu^1、*

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¹[in Chinese]

²[in Chinese]

³[in Chinese]

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Fig. 1. Photograph of laser ranging platform

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Fig. 2. Photograph of target

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Fig. 3. Photon event statistics of InGaAs detector

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Fig. 4. Photon event statistics of Si detector

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Table 1. Parameters of different detectors

Table 1. Parameters of different detectors

Parameter	Si detector	InGaAs detector(old quenching circuit)	InGaAs detector(new quenching circuit)
Quantum efficiency /%	1.8	15	15
Dead time /ns	32	100	40
Timing jitter /ps	350	100	100
Detector size /μm	180	80	80
Dark count	2000	6000	6000

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Ding Yuxing, Li Yongfu, Liu Hongbin, Huang Genghua, Wang Jianyu. Photon Counting Experiment Based on InGaAs Detector in Daylight[J]. Chinese Journal of Lasers, 2018, 45(11): 1104003

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Paper Information

Category: Measurement and metrology

Received: Apr. 2, 2018

Accepted: --

Published Online: Nov. 15, 2018

The Author Email: Jianyu Wang (jywang@mail.sitp.ac.cn)

DOI:10.3788/CJL201845.1104003

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology