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Chin. Opt. Lett.
 Home  List of Issues    Issue 04 , Vol. 16 , 2018    10.3788/COL201816.041101

Depth resolution improvement of streak tube imaging lidar system using three laser beams
Zhaodong Chen1, Rongwei Fan1, Guangchao Ye2, Tong Luo1, Jiayu Guan1, Zhigang Zhou1, and Deying Chen1
1 National Key Laboratory of Science and Technology on Tunable Laser, [Harbin Institute of Technology], Harbin 1 50080, China
2 [Heilongjiang Institute of Technology], Harbin 150050, China

Chin. Opt. Lett., 2018, 16(04): pp.041101

Topic:Imaging systems
Keywords(OCIS Code): 110.6880  280.3640  280.4788  

The work proposes a three-laser-beam streak tube imaging lidar system. Besides the main measuring laser beam, the second beam is used to decrease the error of time synchronization. The third beam has n+0.5 pixels’ difference compared to the main measuring beam on a CCD, and it is used to correct the error caused by CCD discrete sampling. A three-dimensional (3D) imaging experiment using this scheme is carried out with time bin size of 0.066 ns (i.e., corresponding to a distance of 9.9 mm). An image of a 3D model is obtained with the depth resolution of <2 mm, which corresponds to ~0.2 pixel.

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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Posted online:2018/3/26

Get Citation: Zhaodong Chen, Rongwei Fan, Guangchao Ye, Tong Luo, Jiayu Guan, Zhigang Zhou, and Deying Chen, "Depth resolution improvement of streak tube imaging lidar system using three laser beams," Chin. Opt. Lett. 16(04), 041101(2018)

Note: This work was supported by the National Key Scientific Instrument and Equipment Development Projects of China (No. 2012YQ040164).


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