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Active athermalization of dual-infrared zoom lenses
G.I. Greisukh 1, I.A. Levin 2, S.V. Kazin 1

Penza State University of Architecture and Construction, Penza, Russia,
PJSC "Krasnogorsky Zavod", Krasnogorsk, Russia

 PDF, 779 kB

DOI: 10.18287/2412-6179-CO-775

Pages: 931-936.

Full text of article: Russian language.

For medium- and long-wavelength dual-band infrared refractive and refractive-diffractive thermal imaging zoom lenses of simple design, we show that it is possible to maintain superb and practically unchanged optical characteristics across the temperature range from –40 to +40°C in the entire range of focal length variation. Athermalization for any focal length is achieved by moving one double-lens component or a single lens along the optical axis of the lens. Considering that these optical components are not involved in the zooming process, it becomes possible to both compensate for thermal defocusing and focus the lens on the object of interest using the same focusing mechanism, while maintaining the size and tightness of the optical system.

dual-infrared range, refractive and refractive-diffractive zoom lens, active athermalization.

Greisukh GI, Levin IA, Kasin SV. Active athermalization of dual-infrared zoom lenses. Computer Optics 2020; 44(6): 931-936. DOI: 10.18287/2412-6179-CO-775.

The study was funded by a grant from the Russian Science Foundation (Project No. 20-19-00081).


  1. Medvedev AV, Grinkevich AV, Knyazeva SN. Multispectral systems of different propose [In Russian]. Photonics 2015; 5(53): 68-81.
  2. Vladimirov VM, Yukseev VA, Lapukhin EG. An optical system for remote sensing in the UV, visible and NIR spectral ranges. Computer Optics 2020; 44(2): 195-202. DOI: 10.18287/2412-6179-CO-611.
  3. Vizgaitis JN, Hastings AR. Dual band infrared picture-in-picture systems. Opt Eng 2013; 52(6): 061306.
  4. Zhang B, Cui Q, Piao M, Hu Y. Design of dual-band infrared zoom lens with multilayer diffractive optical elements. Appl Opt 2019; 58(8): 2058-2067.
  5. Jamieson TH. Athermalization of optical instruments from the optomechanical viewpoint. Proc SPIE 1992; 10265: 1026508.
  6. Medvedev AV, Grinkevich AV, Knyazeva SN. Objective athermalization of sighting and observation systems as an instrument to ensure functioning of armor and tank weapons [In Russian]. Photonics 2016; 2(56): 94-109.
  7. Reshidko D, Reshidko P, Carmeli R. Optical design study and prototyping of a dual-field zoom lens imaging in the 1-5 micron infrared waveband. Proc SPIE 2015; 9580: 95800C.
  8. Greisukh GI, Ezhov EG, Antonov AI. Correction of chromatism of dual-infrared zoom lenses. Computer Optics 2020; 44(2): 177-182. DOI: 10.18287/2412-6179-CO-623.
  9. ZEMAX: Optical, illumination, and laser system design software. Source: <http://www.zemax.com/products/opticstudio>.
  10. Greisukh GI, Ezhov EG, Kazin SV, Stepanov SA. Single-layer kinoforms for cameras and video cameras of mobile communication devices. Computer Optics 2017; 41(2): 218-226. DOI: 10.18287/0134-2452-2017-41-2-218-226.

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