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Applied Optics

Applied 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)

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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

Original Manuscript: July 11, 1997
Revised Manuscript: October 15, 1997
Published: July 20, 1998

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)

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