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Optics Letters

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  • 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)
http://dx.doi.org/10.1364/OL.17.001737


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Abstract

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

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

Citation
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)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-17-24-1737


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