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  • Received: Feb. 11, 2015

    Accepted: Jun. 8, 2015

    Posted: Jan. 23, 2019

    Published Online: Sep. 14, 2018

    The Author Email: Jianfeng Sun (sunjianfengs@163.com)

    DOI: 10.3788/COL201513.091001

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    Ning Zhang, Zhiyong Lu, Jianfeng Sun, Yu Zhou, Zhu Luan, Zhiwei Sun, Gunagyuan Li, Liren Liu. Laboratory demonstration of spotlight-mode down-looking synthetic aperture imaging ladar[J]. Chinese Optics Letters, 2015, 13(9): 091001

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Chinese Optics Letters, Vol. 13, Issue 9, 091001 (2015)

Laboratory demonstration of spotlight-mode down-looking synthetic aperture imaging ladar

Ning Zhang, Zhiyong Lu, Jianfeng Sun*, Yu Zhou, Zhu Luan, Zhiwei Sun, Gunagyuan Li, and Liren Liu

Author Affiliations

  • Key Laboratory of Space Laser Communication and Detection Technology, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

Abstract

We present a tabletop-scale spotlight-mode down-looking synthetic aperture imaging ladar (DL SAIL) demonstrator, which is performed by a collimator with 10 m focal length to simulate the far-field optical field. A specular-point target and a diffuse-reflection target have been used for resolution analysis and 2D imaging, respectively. The experimental result is in agreement with the theoretical design. The experiment setup is capable of simulating a real application scenario for further study. This Letter is focused on the proposition and implementation of spotlight-mode DL SAIL.