Effects of stitching pattern on diffractive telescope image quality

ZhouFeng Zhang; YongJun Xie; FuZeng Kang; YanJun Wang

doi:10.1117/12.2054364

21 February 2014 Effects of stitching pattern on diffractive telescope image quality

ZhouFeng Zhang, YongJun Xie, FuZeng Kang, YanJun Wang

Proceedings Volume 9142, Selected Papers from Conferences of the Photoelectronic Technology Committee of the Chinese Society of Astronautics: Optical Imaging, Remote Sensing, and Laser-Matter Interaction 2013; 91421M (2014) https://doi.org/10.1117/12.2054364
Event: Selected Proceedings of the Photoelectronic Technology Committee Conferences held July-December 2013, 2013, SuZhou, China

Abstract

Diffraction image technology is an updated technology. It has more potential for developing the larger aperture and lightweight telescope than the conventional refractive and reflective optics. In order to develop a large aperture diffractive telescope, the key is to solve the problem of large aperture lens stitching. Different stitching patterns have different effects on the image quality. However, the stitching pattern for diffractive telescope is different from the conventional refractive and reflective telescope. This paper, for the first time, studies the theory of stitching pattern for diffractive telescope. On the basis of theoretical analysis, a long-wavelength infrared diffractive telescope of segmented-lens is designed and for the first time, good results through stitching experiments have been achieved. According to theoretical analysis and experiment verification, the paper gives the best stitching pattern on diffractive telescope.

Citation Download Citation

ZhouFeng Zhang, YongJun Xie, FuZeng Kang, and YanJun Wang "Effects of stitching pattern on diffractive telescope image quality", Proc. SPIE 9142, Selected Papers from Conferences of the Photoelectronic Technology Committee of the Chinese Society of Astronautics: Optical Imaging, Remote Sensing, and Laser-Matter Interaction 2013, 91421M (21 February 2014); https://doi.org/10.1117/12.2054364

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KEYWORDS

Telescopes

Space telescopes

Diffraction

Diffractive optical elements

Image quality

Optical instrument design

Reflector telescopes

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