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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 68, Iss. 8 — Aug. 1, 1978
  • pp: 1063–1066

Changes in the atmospheric-lens modulation transfer function used for calibration in solar speckle interferometry

C. Aime, G. Ricort, C. Roddier, and G. Lago  »View Author Affiliations


JOSA, Vol. 68, Issue 8, pp. 1063-1066 (1978)
http://dx.doi.org/10.1364/JOSA.68.001063


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Abstract

A method is described for the calibration of power spectra of nonstellar astronomical objects, by the use of changes in seeing conditions during speckle-interferometric measurements. Results are given for an application of this technique to solar granulation. The correction of 40 analyses, determined with Fried’s parameter r0 ranging between 2.5 and 11.5 cm, provides satisfactory convergence, and thus permits estimation of the solar granulation power spectrum for frequencies up to 2.5 arc sec−1.

© 1978 Optical Society of America

Citation
C. Aime, G. Ricort, C. Roddier, and G. Lago, "Changes in the atmospheric-lens modulation transfer function used for calibration in solar speckle interferometry," J. Opt. Soc. Am. 68, 1063-1066 (1978)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-68-8-1063

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