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Research on methods of enlarging field of view of the synthetic aperture lidar
Zhao, Yiyi1; Xue, Bin1; Ma, Xiaolong1; He, Yinghong1; Yan, Xingtao1; Lv, Juan1; Xiang, Meng1,2
2019
会议名称9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, AOMATT 2018
会议录名称9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes
卷号10837
会议日期2018-06-26
会议地点Chengdu, China
出版者SPIE
产权排序1
摘要Synthetic aperture lidar is a new ultra-high resolution optical imaging instrument, but its reception field is very narrow which is subject to the "antenna theory". In this paper, the antenna efficiency theory is used to explain the antenna theory and the method of enlarging the field of view of the synthetic aperture laser radar. Then the increase range of the field angle of the three methods is deduced by heterodyne efficiency simulation. The simulation results show that the focal plane heterodyne detection optical path of the wide-beam local oscillator beam focal plane has the ability to improve the heterodyne efficiency of the edge field of view by reducing the heterodyne efficiency of the central field of view. The focal plane heterodyne detection optical path of the array detector requires the detector whose pixel size less than 3 times Airy spot radius covers the whole field of view, which can increase the maximum 1.83N times compared to the antenna theory. The effective field of the pupil plane heterodyne detection optical path of the array detector has nothing to do with the magnification of the telescope, the pupil diameter, the size of the detector, etc., which can be increased by N times as compared with the antenna theory. © 2019 SPIE.
作者部门月球与深空探测技术研究室
DOI10.1117/12.2504949
收录类别EI
ISBN号9781510623163
语种英语
ISSN号0277786X;1996756X
EI入藏号20190506432453
引用统计
文献类型会议论文
条目标识符http://ir.opt.ac.cn/handle/181661/31223
专题月球与深空探测技术研究室
通讯作者Xiang, Meng
作者单位1.Xi'an Institute of Optics and Precision Mechanics of CAS, 17 Xinxi Road, Xi'an, Shaanxi, China;
2.University of Chinese Academy of Sciences, Beijing, China
推荐引用方式
GB/T 7714
Zhao, Yiyi,Xue, Bin,Ma, Xiaolong,et al. Research on methods of enlarging field of view of the synthetic aperture lidar[C]:SPIE,2019.
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