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Chin. Opt. Lett.
 Home  List of Issues    Issue 09 , Vol. 15 , 2017    10.3788/COL201715.090101


Boundary evaluation and error correction on pseudo-random spread spectrum photon counting system
Shanshan Shen1;2, Qian Chen1, Weiji He1, and Yuqiang Wang
1 [Nanjing University of Science and Technology], Jiangsu Key Laboratory of Spectral Imaging &
Intelligence Sense, Nanjing 21 0094, China
2 [College of Zi Jin of Nanjing University of Science and Technology], Nanjing 2 10046, China
3 [The people’s Liberation Army East Sea Fleet 92713 forces]

Chin. Opt. Lett., 2017, 15(09): pp.090101

DOI:10.3788/COL201715.090101
Topic:Atmospheric optics and oceanic optics
Keywords(OCIS Code): 010.3640  000.4430  040.1345  

Abstract
The Cramer–Rao lower bound on range error is modeled for pseudo-random ranging systems using Geiger-mode avalanche photodiodes. The theoretical results are shown to agree with the Monte Carlo simulation, satisfying boundary evaluations. Experimental tests prove that range errors caused by the fluctuation of the number of photon counts in the laser echo pulse leads to the range drift of the time point spread function. The function relationship between the range error and the photon counting ratio is determined by using numerical fitting. Range errors due to a different echo energy is calibrated so that the corrected range root mean square error is improved to 1 cm.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Received:2017/2/18
Accepted:2017/6/9
Posted online:2017/6/14

Get Citation: Shanshan Shen, Qian Chen, Weiji He, and Yuqiang Wang, "Boundary evaluation and error correction on pseudo-random spread spectrum photon counting system," Chin. Opt. Lett. 15(09), 090101(2017)

Note: This work was supported by the National Natural Science Foundation of China (Nos. 61101196 and 61271332) and the Natural Science Research Foundation of Jiangsu Province (No. 168JB510015).



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