Design of a visible and infrared common optical system with the same effective focal length

Jeeyeon Yoon; Haeng Pal Heo; Gmsil Kang

doi:10.1117/12.2676605

4 October 2023 Design of a visible and infrared common optical system with the same effective focal length

Jeeyeon Yoon, Haeng Pal Heo, Gmsil Kang

Proceedings Volume 12676, UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts XI; 126760X (2023) https://doi.org/10.1117/12.2676605
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States

Conference Poster

Abstract

In this paper, the results of designing a visible and infrared optical system with the same effective focal length are presented. The basic form is the three-mirror anastigmat (TMA) structure that can minimize major aberrations such as spherical, comma, and astigmatism and is an optical system that can secure a relatively wide field of view. The ray incident onto the optical system passes through three mirrors, is divided into infrared and visible bands by a beam splitter, and is incident on the focal plane array (FPA). Typically, in the case of a visible optics system, the stop of the optical system is placed near the primary mirror to be designed to have a minimum size. However, the stop is placed in front of the FPA to minimize thermal stray light owing to the internal temperature in the infrared channel.

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

Citation Download Citation

Jeeyeon Yoon, Haeng Pal Heo, and Gmsil Kang "Design of a visible and infrared common optical system with the same effective focal length", Proc. SPIE 12676, UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts XI, 126760X (4 October 2023); https://doi.org/10.1117/12.2676605

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