Paper
7 December 2022 The chromatic correction of zoom lenses for LWIR spectral range
Tatiana N. Khatsevich, Dmitry A. Izhbuldin
Author Affiliations +
Proceedings Volume 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1234102 (2022) https://doi.org/10.1117/12.2642974
Event: 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2022, Tomsk, Russia
Abstract
Numerical simulations of longitudinal chromatic aberration in a four-component LWIR continuous zoom lens coupled to an uncooled detector are presented. The results have shown that in schemes containing two optical materials, most solutions involve the outer components made of germanium and the inner components made of materials with lower dispersion coefficients (chalcogenide glasses). The results are confirmed by the developed lens with a zoom ratio of 5X.
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Tatiana N. Khatsevich and Dmitry A. Izhbuldin "The chromatic correction of zoom lenses for LWIR spectral range", Proc. SPIE 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1234102 (7 December 2022); https://doi.org/10.1117/12.2642974
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KEYWORDS
Long wavelength infrared

Zoom lenses

Chromatic aberrations

Germanium

Chalcogenide glass

Modulation transfer functions

Receivers

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