A flexible pulsed laser range-gated imaging system

Hongsheng Lin; Qingwei Han; Ling Liu; Dongdong Jin

doi:10.1117/12.2688120

6 November 2023 A flexible pulsed laser range-gated imaging system

Hongsheng Lin, Qingwei Han, Ling Liu, Dongdong Jin

Proceedings Volume 12921, Third International Computing Imaging Conference (CITA 2023); 129210Z (2023) https://doi.org/10.1117/12.2688120
Event: Third International Computing Imaging Conference (CITA 2023), 2023, Sydney, Australia

Abstract

Pulsed laser range-gated imaging is an effective method to achieve underwater high-resolution imaging. Traditional pulsed laser range-gated imaging system has the disadvantage of large size and cannot get an image with appropriate brightness for multiple targets (oversaturated problem) because of low pulse repetition frequency. In this paper, a portable pulsed laser range-gated imaging system with high pulse repetition frequency is made. Single-slice mode and multi-slice integration mode for the system make it flexible. In the single-slice mode, it’s hard to get rid of the oversaturated problem. To overcome the problem, three typical methods for multi-slice integration are introduced in this paper and experiment results show that combination of wide and narrow slices can get the best image for multiple targets.

Citation Download Citation

Hongsheng Lin, Qingwei Han, Ling Liu, and Dongdong Jin "A flexible pulsed laser range-gated imaging system", Proc. SPIE 12921, Third International Computing Imaging Conference (CITA 2023), 129210Z (6 November 2023); https://doi.org/10.1117/12.2688120

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KEYWORDS

Imaging systems

Pulsed laser operation

Computing systems

Pulse signals

Optical imaging

Repetition frequency

Underwater imaging

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