Opto-Electronic Advances, Volume. 3, Issue 2, 190044-1(2020)
True random coded photon counting Lidar
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Fig. 3. Normalized auto-correlation function of the true random sequence
Fig. 4. Normalized auto-correlation range images with two different echo photons number for the true random coded method and the pseudo-random coded method.
Fig. 5. The detection probability statistical results of the true random coded method and the pseudo-random coded method at different mean echo photons number.
Fig. 6. Normalized cross-correlation range images for the true random sequence (a) and the sparse pseudo-random sequence (b).
Fig. 7. (a) The picture of the model car and (b) three-dimensional scanning imaging of the model car.
Table 1. Main parameters of the Lidar system.
View tableView in ArticleTable 1. Main parameters of the Lidar system.
Parameter Value Dead time 35 ns Pulse width 4 ns Noise count 1 Mcps Photon detection efficiency 2% Time resolution of TCSPC module 64 ps
Table 2. Key parameters for the depth profile measurement.
View tableView in ArticleTable 2. Key parameters for the depth profile measurement.
Parameter Value Power 30 μW Pixel dwell time 200 μs Pulse repetition frequency 5 kHz Scan dimensions width×height) 0.6 m×0.5 m Resolution of scanned image (pixels) 300×250
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Bo Liu, Yang Yu, Zhen Chen, Weiqiang Han. True random coded photon counting Lidar[J]. Opto-Electronic Advances, 2020, 3(2): 190044-1
Paper Information
Category: Original Article
Received: Dec. 14, 2019
Accepted: Jan. 21, 2020
Published Online: Mar. 25, 2020
The Author Email: Liu Bo (boliu@ioe.ac.cn)
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