Design of precise delay system for streak tube imaging lidar

Zongjie Bi; Zihao Ciu; Yanchao Zhang; Zhaoshuo Tian

doi:10.1117/1.OE.57.12.124104

15 December 2018 Design of precise delay system for streak tube imaging lidar

Zongjie Bi, Zihao Ciu, Yanchao Zhang, Zhaoshuo Tian

Author Affiliations +

Optical Engineering, Vol. 57, Issue 12, 124104 (December 2018). https://doi.org/10.1117/1.OE.57.12.124104

Abstract

A precise delay system for a streak tube imaging lidar (STIL) is developed. Two delay schemes are designed that are suitable for long- and short-distance lidar imaging. The digital scheme delay can reach 100 μs, and its precision is <6 ns; the analog scheme delay can reach 1200 ns and its precision is <1 ns. Using the STIL system, three-dimensional (3-D) imaging experiments are carried out on land targets at about 2.3-km range and underwater targets at about 25-m range. The experimental results show that the designed delay device can produce precise delay times and effectively verify the 3-D imaging quality of the STIL. This device also has the advantages of stable operation, being more compact, and requiring less power than existing instruments.

Citation Download Citation

Zongjie Bi, Zihao Ciu, Yanchao Zhang, and Zhaoshuo Tian "Design of precise delay system for streak tube imaging lidar," Optical Engineering 57(12), 124104 (15 December 2018). https://doi.org/10.1117/1.OE.57.12.124104

Received: 23 August 2018; Accepted: 19 November 2018; Published: 15 December 2018

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