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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 20, Iss. 9 — May. 1, 1981
  • pp: 1532–1536

General wavelength dependence of imaging through the atmosphere

N. S. Kopeika  »View Author Affiliations


Applied Optics, Vol. 20, Issue 9, pp. 1532-1536 (1981)
http://dx.doi.org/10.1364/AO.20.001532


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Abstract

Atmospheric MTF formulations are restated to include contrast reduction by thermal backgrounds received by the imaging system. These backgrounds should be of significance for infrared imaging through the atmosphere. Absorption windows such as 2.0–2.4 and 3.1–4.1-μm wavelengths, which contain minimum atmospheric background, are suggested as usually permitting the best resolution for long range atmospheric imaging of apparently bright objects despite the fact that received object beam radiation may even peak in the 8–13-μm window. The 8–13-μm window is generally better for thermal imaging of objects whose temperatures are close to those of the atmosphere.

© 1981 Optical Society of America

History
Original Manuscript: June 23, 1979
Revised Manuscript: December 29, 1980
Published: May 1, 1981

Citation
N. S. Kopeika, "General wavelength dependence of imaging through the atmosphere," Appl. Opt. 20, 1532-1536 (1981)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-20-9-1532

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