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Applied Optics

Applied Optics


  • Vol. 39, Iss. 6 — Feb. 20, 2000
  • pp: 873–886

Measurement of low-altitude infrared propagation

Carl R. Zeisse, Brett D. Nener, and Randle V. Dewees  »View Author Affiliations

Applied Optics, Vol. 39, Issue 6, pp. 873-886 (2000)

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Infrared propagation at low altitudes is determined by extinction that is due to molecules and aerosol particles and ray bending by refraction, three effects that control the mean value of the signal. Interference causes the signal to fluctuate, or scintillate, about the mean value. We discuss the design, calibration, and limitations of a field instrument for measuring optical propagation inside the midwave and long-wave infrared atmospheric windows. The instrument, which is accurate to ±10%, has been used to investigate aerosol, refractive, and scintillation phenomena in the marine boundary layer.

© 2000 Optical Society of America

OCIS Codes
(010.1110) Atmospheric and oceanic optics : Aerosols
(010.1310) Atmospheric and oceanic optics : Atmospheric scattering
(010.1320) Atmospheric and oceanic optics : Atmospheric transmittance
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(120.4640) Instrumentation, measurement, and metrology : Optical instruments
(290.1090) Scattering : Aerosol and cloud effects

Original Manuscript: June 18, 1999
Revised Manuscript: October 15, 1999
Published: February 20, 2000

Carl R. Zeisse, Brett D. Nener, and Randle V. Dewees, "Measurement of low-altitude infrared propagation," Appl. Opt. 39, 873-886 (2000)

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