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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 70, Iss. 11 — Nov. 1, 1980
  • pp: 1354–1361

Space-time analysis of photon-limited stellar speckle interferometry

K. A. O’Donnell and J. C. Dainty  »View Author Affiliations


JOSA, Vol. 70, Issue 11, pp. 1354-1361 (1980)
http://dx.doi.org/10.1364/JOSA.70.001354


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Abstract

The standard method of stellar speckle interferometry, in which short exposure photographs are individually analyzed, is not the most general method of extracting object information from the time-varying image intensity. We introduce a space-time analysis in which both spatial and temporal fluctuations are taken into account; the aim is to measure the power spectrum of the image with an increased signal to noise ratio. Surprisingly, our more general space-time analysis does not yield an improved signal to noise ratio at very low light levels.

© 1980 Optical Society of America

Citation
K. A. O’Donnell and J. C. Dainty, "Space-time analysis of photon-limited stellar speckle interferometry," J. Opt. Soc. Am. 70, 1354-1361 (1980)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-70-11-1354

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