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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 21 — Jul. 20, 1998
  • pp: 4605–4613

Performance Analysis of and Compensation for Aspect-Ratio Effects of Fast-Fourier-Transform-Based Simulations of Large Atmospheric Wave Fronts

Giorgio Sedmak  »View Author Affiliations


Applied Optics, Vol. 37, Issue 21, pp. 4605-4613 (1998)
http://dx.doi.org/10.1364/AO.37.004605


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Abstract

Fast-Fourier-transform-based simulators of atmospheric wave fronts with a von Kármán turbulence spectrum were tested with reference to the phase-structure function and phase variance over a pupil on large square and rectangular formats. The symmetry and the accuracy of the phase-structure function were found to be limited by the aspect ratio and the size of the phase screen. The phase variance over a pupil is less sensitive to the aspect ratio than the phase-structure function and is dependent mainly on the size of the phase screen. Several tests are reported and discussed together with a method of compensation for the negative effects of rectangular formats.

© 1998 Optical Society of America

OCIS Codes
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(070.2590) Fourier optics and signal processing : ABCD transforms
(350.5030) Other areas of optics : Phase

Citation
Giorgio Sedmak, "Performance Analysis of and Compensation for Aspect-Ratio Effects of Fast-Fourier-Transform-Based Simulations of Large Atmospheric Wave Fronts," Appl. Opt. 37, 4605-4613 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-21-4605

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