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Proceedings Paper

Three dimensional imaging laser radar system for short-range target detection and identification
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Paper Abstract

Compared with other imaging approaches, high resolution angle-angle-range imagery provided by the three dimensional imaging laser radar increases probability of target identification. Based on scannerless pulsed time-of-flight method, this paper presents breadboard laser radar for proof-of-principle. A laser transmitter using laser diode flood illuminates a target area with a relatively short pulse, then a receiver collects the returned energy on a 4x4 PIN diode array where each pixel measures range respectively. Each of 16 channels consists of a TIA, main amplifier, timing discriminator and a TDC channel. A processor based on microcontroller processes the output result of all pixels from two TDCs, then transfers final range data to laptop for visualization. Here we present some preliminary intensity images of target acquired through indoor experiments. Through these results, the feasibility of direct-detection imaging laser radar for short-range target identification has been proved. Meanwhile, further development of this system is discussed.

Paper Details

Date Published: 18 April 2008
PDF: 10 pages
Proc. SPIE 6950, Laser Radar Technology and Applications XIII, 695004 (18 April 2008); doi: 10.1117/12.777279
Show Author Affiliations
Ping Li, Beijing Institute of Technology (China)
Kun Li, Beijing Institute of Technology (China)
Huimin Chen, Beijing Institute of Technology (China)
Weirong Gou, Beijing Institute of Technology (China)

Published in SPIE Proceedings Vol. 6950:
Laser Radar Technology and Applications XIII
Monte D. Turner; Gary W. Kamerman, Editor(s)

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