Large-scale diffraction cascade ultra-high resolution imaging technology

Guoliang Tian; Jinping He; Shunxing Xu; Kaicheng Ding

doi:10.1117/12.2665001

4 April 2023 Large-scale diffraction cascade ultra-high resolution imaging technology

Guoliang Tian, Jinping He, Shunxing Xu, Kaicheng Ding

Proceedings Volume 12617, Ninth Symposium on Novel Photoelectronic Detection Technology and Applications; 126172M (2023) https://doi.org/10.1117/12.2665001
Event: 9th Symposium on Novel Photoelectronic Detection Technology and Applications (NDTA 2022), 2022, Hefei, China

Abstract

The existence of diffraction limits forces optical remote sensing to develop towards a super-large aperture, but it is limited by the production process, manufacturing cost and carrying capacity. Although block expandable optical imaging technology, thin film diffraction imaging, optical synthetic aperture imaging and other technologies have been developed, these technologies have high requirements on process level and control accuracy, and are difficult to implement. Based on the Arago spot, this paper proposes a new ultra-high-resolution imaging technology suitable for space-based optical remote sensing, replacing the traditional optical system with a visor disk to achieve the lowest-cost high-resolution observation. Simulation results show that the visor disk with a diameter of 100 meters is deployed at the Lagrangian point 450,000 kilometers away from the Earth, with a resolution of 2.5 meters, which can achieve high-resolution observations of Earth-Moon space.

Citation Download Citation

Guoliang Tian, Jinping He, Shunxing Xu, and Kaicheng Ding "Large-scale diffraction cascade ultra-high resolution imaging technology", Proc. SPIE 12617, Ninth Symposium on Novel Photoelectronic Detection Technology and Applications, 126172M (4 April 2023); https://doi.org/10.1117/12.2665001

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KEYWORDS

Imaging systems

Diffraction

Image resolution

Imaging technologies

Light sources

Engineering

Light wave propagation

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