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Optics Letters

Optics Letters


  • Vol. 17, Iss. 24 — Dec. 15, 1992
  • pp: 1737–1739

Atmospheric structure function measurements with a Shack–Hartmann wave-front sensor

David Dayton, Bob Pierson, Brian Spielbusch, and John Gonglewski  »View Author Affiliations

Optics Letters, Vol. 17, Issue 24, pp. 1737-1739 (1992)

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The phase structure function has been used as a convenient way to characterize aberrations introduced on optical propagation by the atmosphere. It forms the theoretical basis for the calculation of such things as the long- and short-exposure atmospheric transfer function. The structure function is difficult to measure directly and is usually assumed to follow Kolmogorov statistics. We present here a technique for direct measurement of the structure function through the use of a Shack–Hartmann wave-front sensor. Experiments confirm that the atmosphere behaves according to Kolmogorov theory most of the time. However, some instances of non-Kolmogorov behavior have been noted.

© 1992 Optical Society of America

Original Manuscript: July 13, 1992
Published: December 15, 1992

David Dayton, John Gonglewski, Bob Pierson, and Brian Spielbusch, "Atmospheric structure function measurements with a Shack–Hartmann wave-front sensor," Opt. Lett. 17, 1737-1739 (1992)

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