Research on low-cost imaging optical system based on stitching of detectors

Jitong Zhao; Luchao Cheng; Peng Gong; Chenglong Wang; Chunlin Zhang; Yi Yu

doi:10.1117/12.3011130

1 November 2023 Research on low-cost imaging optical system based on stitching of detectors

Jitong Zhao, Luchao Cheng, Peng Gong, Chenglong Wang, Chunlin Zhang, Yi Yu

Proceedings Volume 12917, International Conference on Precision Instruments and Optical Engineering (PIOE 2023); 129170W (2023) https://doi.org/10.1117/12.3011130
Event: 3rd International Conference on Precision Instruments and Optical Engineering (PIOE 2023), 2023, Shanghai, China

Abstract

In response to the urgent application demand for wide-field of view optical observation systems in the detector field photometry field, there are currently several implementations of wide-field of view detector field photometry systems. These include the use of multiple optical system field of view stitching, increasing the detector CCD target surface, focal plane stitching combined with post-image processing, etc., all of which have relatively high costs. This paper proposes to achieve a wide-field of view effect using the detector stitching method of a coaxial optical system. The research object is a wide-field of view optical system with a relative aperture of 1/4, a focal length of 60mm-180mm, and a dual detector stitching of 1920×1080. Based on the optomechanical coupling design method, the optical mechanism type and material were determined. With the support of finite element simulation technology, the optical system's self-weight deformation analysis was conducted. A dual-detector stitching assembly scheme was proposed, and the development of a wide-field of view optical system with internal stitching of dual detectors was achieved. The feasibility of this approach was preliminarily validated. This method only requires a single optical system, compared to the approach of using multiple optical systems. It also does not require a larger CCD target surface, compared to the approach of increasing the CCD target surface. This paper provides a reference route for the development of wide-field of view optical systems.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Jitong Zhao, Luchao Cheng, Peng Gong, Chenglong Wang, Chunlin Zhang, and Yi Yu "Research on low-cost imaging optical system based on stitching of detectors", Proc. SPIE 12917, International Conference on Precision Instruments and Optical Engineering (PIOE 2023), 129170W (1 November 2023); https://doi.org/10.1117/12.3011130

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KEYWORDS

Design and modelling

Zoom lenses

Target detection

Imaging systems

Deformation

Mirrors

Optical surfaces

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