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6 November 2019 Forming thermal imaging system field of view with afocal lens cap
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Proceedings Volume 11176, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2019; 111760T (2019) https://doi.org/10.1117/12.2536830
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2019, 2019, Wilga, Poland
Abstract
Method of infrared lenses field of view step variation is discussed in this paper. Simple afocal lens caps based on the classic Kepler or Galilee telescopic schemes are considered. The afocal cap have to provide acceptable vignetting of the extreme rays and moderate transverse dimensions. Mersenne two-mirror system of Galilean-type was selected as the most suitable lens cap. Equations were obtained to calculate dimensional parameters of the cap in respect that vignetting coefficient should be minimal.
© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Igor G. Chyzh, Valentin G. Kolobrodov, Volodymyr I. Mykytenko, Grygorij S. Tymchik, Paweł Komada, and Ainur Kozbakova "Forming thermal imaging system field of view with afocal lens cap", Proc. SPIE 11176, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2019, 111760T (6 November 2019); https://doi.org/10.1117/12.2536830
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