Optomechanical system design of the solar upper transition region imager

Zhanshan Wang; Chunling He; Jun Yu; Runze Qi; Yifan Wang

doi:10.1117/12.2691736

29 December 2023 Optomechanical system design of the solar upper transition region imager

Zhanshan Wang, Chunling He, Jun Yu, Runze Qi, Yifan Wang

Proceedings Volume 12976, Eighth Asia Pacific Conference on Optics Manufacture and Third International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2023); 1297604 (2023) https://doi.org/10.1117/12.2691736
Event: 8th Asia Pacific Conference on Optics Manufacture & 3rd International Forum of Young Scientists on Advanced Optical Manufacturing, 2023, Shenzhen, China

Abstract

The Solar Upper Transition Region Imager (SUTRI) is an extreme ultraviolet solar imaging telescope that focuses on dynamically observing the solar transition region within a narrow band at 46.5nm. This paper describes the optical parameters, optomechanical structural design, finite element simulation, and on-ground environmental testing. To satisfy the narrow band requirement, the telescope employs multilayers coated on Ritchey-Chrétien optics and filters mounted at the front aperture and ahead of the focal plane. The primary and secondary mirrors are glued to invar frames that provide peripheral support. The telescope contains three mechanisms, which are a focus mechanism, a filter wheel, and a front door. In addition, this paper carried out finite element simulation of modal analysis, optical performance and structural strength. These simulations verified that the opto-mechanical system design is feasible. Finally, the telescope successfully underwent a series of on-ground environmental testing and was subsequently launched carried by SATech-01 satellite in July 2022.

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

Citation Download Citation

Zhanshan Wang, Chunling He, Jun Yu, Runze Qi, and Yifan Wang "Optomechanical system design of the solar upper transition region imager", Proc. SPIE 12976, Eighth Asia Pacific Conference on Optics Manufacture and Third International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2023), 1297604 (29 December 2023); https://doi.org/10.1117/12.2691736

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KEYWORDS

Tunable filters

Telescopes

Mirrors

Device simulation

Imaging systems

Design and modelling

Frequency response

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