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Proceedings Article

Method for inclusion of low-frequency contributions in numerical representation of atmospheric turbulence

[+] Author Affiliations
Bruce J. Herman, Lisa A. Strugala

Lockheed Palo Alto Research Lab. (USA)

Proc. SPIE 1221, Propagation of High-Energy Laser Beams Through the Earth's Atmosphere, 183 (May 1, 1990); doi:10.1117/12.18342
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From Conference Volume 1221

  • Propagation of High-Energy Laser Beams Through the Earth's Atmosphere
  • Peter B. Ulrich; LeRoy E. Wilson
  • Los Angeles, CA | January 14, 1990

abstract

The standard FFT, optical propagation computer code-applicable method for calculating realizations of phase screens to simulate the effects of atmospheric turbulence is presently modified to include such LF aberrations as tilt. It is shown that the modified phase screens yield superior statistical representations of Kolmogorov turbulence, and comparisons of simulations employing such modified phase screens with the results of theoretical calculations for Strehl ratio with finite outer-scale effects are presented. The modified method is noted to be highly memory-efficient, relative to the phase screens used for the propagation simulations.

© (1990) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Bruce J. Herman and Lisa A. Strugala
"Method for inclusion of low-frequency contributions in numerical representation of atmospheric turbulence", Proc. SPIE 1221, Propagation of High-Energy Laser Beams Through the Earth's Atmosphere, 183 (May 1, 1990); doi:10.1117/12.18342; http://dx.doi.org/10.1117/12.18342


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