Abstract

The frequency spectra of light intensity fluctuations of a laser beam by atmospheric turbulence were investigated using a He–Ne gas laser at 6328 Å with a beam diameter of about 3.5 mm and optical path length of L = 4.5 km and 14.5 km. The normalized spectra U(f) were not systematically affected by different receiving aperture diameters 5 mm ≤ D ≤ 80 mm, probably because of the small diameter of the output aperture of the source. The theoretical relation $f_c\propto L^{-\frac{1}{2}}$, where f_c is a characteristic frequency of U(f), does not appear to hold empirically.

© 1966 Optical Society of America

Effects of Atmospheric Turbulence on the Transmission of a Laser Beam at 6328 Å. I–Distribution of Intensity

D. H. Höhn
Appl. Opt. 5(9) 1427-1431 (1966)

Depolarization of a Laser Beam at 6328 Å due to Atmospheric Transmission

D. H. Höhn
Appl. Opt. 8(2) 367-369 (1969)

Consideration of Atmospheric Turbulence in Laser Systems Design

J. I. Davis
Appl. Opt. 5(1) 139-147 (1966)

Dependency of Optical Scintillation Frequency on Wind Speed

Edward Ryznar
Appl. Opt. 4(11) 1416-1418 (1965)

Statistical measurements of irradiance fluctuations of a multipass laser beam propagated through laboratory-simulated atmospheric turbulence

Arun K. Majumdar and Hideya Gamo
Appl. Opt. 21(12) 2229-2235 (1982)