合成孔径系统平移误差的四棱锥传感器检测方法

IF 0.9 4区物理与天体物理 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

激光与光电子学进展 Pub Date : 2023-01-01 DOI:10.3788/lop221693

马舒凡 Ma Shufan, 鲜浩 Xian Hao, 王胜千 Wang Shengqian

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引用次数: 1

摘要

为了使若干拼接子孔径能够按设计目标组合为等效大口径望远镜，各子孔径必须达到光学的同相位。提出了一种基于四棱锥传感器的共相方法，通过实验标定拟合传感器信号和平移误差的正弦关系，反求平移误差。实验结果表明：平移误差的测量值和真实值基本符合线性关系，拟合后均方根误差约为19.2 nm，平移误差的测量值能够客观准确地反映实际误差。在此基础上，对7孔径拼接镜进行了近共相校正，校正后分辨率提高了近6倍，与传统方法相比，所提方法具有结构简单、响应速度快、光能利用率高等优点。

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合成孔径系统平移误差的四棱锥传感器检测方法

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来源期刊

激光与光电子学进展 Multiple-

CiteScore

1.60

自引率

50.00%

发文量

18006

期刊介绍： Laser & Optoelectronics Progress, the first laser and optoelectronics journal published in China. The main columns include general, lasers and laser optics, fiber optics and optical communications, optical design and fabrication, materials, image processing, imaging systems, optical devices, remote sensing and sensors, atmospheric optics and oceanic optics, diffraction and gratings, atomic and molecular physics, detectors, thin films, ultrafast optics, etc. The journal is included in ESCI, INSPEC, Scopus, CSCD, Chinese Core Journals, Chinese Science and Technology Core Journals, and T2 level of the Classified Catalogue of High Quality Science and Technology Journals in Optical Engineering and Optical Fields, and other databases.