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Proceedings Paper

Degradation Of Optical Transmission In The Atmospheric Marine Boundary Layer
Author(s): E. C. Crittenden; A. W. Cooper; E. A. Milne; G. W. Rodeback; R. L. Armstead; S. H. Kalmbach; G. E. Schacher; C. W. Fairall
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Paper Abstract

Optical transmission through the atmosphere is degraded both by the turbulence-induced fluctuation of the optical index, described by Cn², the turbulence structure constant for index, and also by extinction due to molecular absorption and scattering by fog or aerosols. Various techniques for direct optical measurement of Cn² and extinction are compared and the results shown to depend differently on the distribution of turbulence along the path. Tech- niques of field optical measurements of Cn² and extinction coefficient developed at NPS are presented. Results are compared with thermal and humidity fluctuations, and Knollenberg particle size spectra.

Paper Details

Date Published: 26 March 1980
PDF: 4 pages
Proc. SPIE 0208, Ocean Optics VI, (26 March 1980); doi: 10.1117/12.958283
Show Author Affiliations
E. C. Crittenden, Naval Postgraduate School (United States)
A. W. Cooper, Naval Postgraduate School (United States)
E. A. Milne, Naval Postgraduate School (United States)
G. W. Rodeback, Naval Postgraduate School (United States)
R. L. Armstead, Naval Postgraduate School (United States)
S. H. Kalmbach, Naval Postgraduate School (United States)
G. E. Schacher, Naval Postgraduate School (United States)
C. W. Fairall, Naval Postgraduate School (United States)


Published in SPIE Proceedings Vol. 0208:
Ocean Optics VI
Seibert Quimby Duntley, Editor(s)

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