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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 44, Iss. 1 — Jan. 1, 2005
  • pp: 67–76

Alternative to the effective transmittance approach for the calculation of polychromatic transmittances in rapid transmittance models

Xiaozhen Xiong and Larry M. McMillin  »View Author Affiliations


Applied Optics, Vol. 44, Issue 1, pp. 67-76 (2005)
http://dx.doi.org/10.1364/AO.44.000067


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Abstract

Many current rapid transmittance algorithms, specifically the Optical Path Transmittance (OPTRAN), are based on use of effective transmittances to account for the effects of polychromatic radiation on the transmittance calculations. We document how OPTRAN was modified by replacing the effective transmittance concept with a correction term. Use of the correction term solves some numerical problems that were associated with use of effective transmittances, greatly reduces the line-by-line computational burden, and allows for the efficient inclusion of more gases. This correction method can easily be applied to any other fast models that use the effective transmittance approach.

© 2005 Optical Society of America

OCIS Codes
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(010.1320) Atmospheric and oceanic optics : Atmospheric transmittance
(010.3920) Atmospheric and oceanic optics : Meteorology

History
Original Manuscript: July 7, 2004
Revised Manuscript: October 4, 2004
Manuscript Accepted: October 9, 2004
Published: January 1, 2005

Citation
Xiaozhen Xiong and Larry M. McMillin, "Alternative to the effective transmittance approach for the calculation of polychromatic transmittances in rapid transmittance models," Appl. Opt. 44, 67-76 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-1-67

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