Development of dual-band infrared lenses

Tatyana N. Khatsevich; Evgeniy V. Shmelev

doi:10.1117/12.2689347

17 October 2023 Development of dual-band infrared lenses

Tatyana N. Khatsevich, Evgeniy V. Shmelev

Proceedings Volume 12780, 29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 127800N (2023) https://doi.org/10.1117/12.2689347
Event: XXIX International Symposium "Atmospheric and Ocean Optics, Atmospheric Physics", 2023, Moscow, Russian Federation

Abstract

A technique for providing apochromatic correction in the wavelength range from 3 to 12 μm, which makes it possible to substantiate the choice of materials and optical powers in an optical system with components separated by an air gap, is discussed. Using numerical methods, it is shown that the solutions found can serve as starting systems for the development of dual-band lenses that provide a stable position of the image plane in the ranges of 3-5 and 8-12 μm, coupled with uncooled dual-band infrared detectors. The results are illustrated by the calculation of a dual-band infrared lens with a focal length of 50 mm and a relative aperture of 1:1.2.

Citation Download Citation

Tatyana N. Khatsevich and Evgeniy V. Shmelev "Development of dual-band infrared lenses", Proc. SPIE 12780, 29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 127800N (17 October 2023); https://doi.org/10.1117/12.2689347

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