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