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Applied Optics

Applied Optics


  • Vol. 41, Iss. 28 — Oct. 1, 2002
  • pp: 5835–5844

Influence of the antenna diagram on a stellar interferometer that is suffering from telescope-pointing errors

Emmanuel Longueteau, Laurent Delage, and François Reynaud  »View Author Affiliations

Applied Optics, Vol. 41, Issue 28, pp. 5835-5844 (2002)

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We report our experimental investigations of the influence of differential telescope-pointing errors on data corruption in an optical stellar interferometer. This effect was investigated theoretically as a function of the telescope antenna diagram, which depends on the aperture diameter. Using a laboratory breadboard consisting of a three-telescope array, we carried out the experiments with various aperture diameters and complex objects. The results matched the simulation and demonstrate that, when there is no error in pointing, a large aperture size induces correctible error but that, with a pointing error, data corruption becomes critical. In both cases, the larger the apertures, the more corrupt the data.

© 2002 Optical Society of America

OCIS Codes
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(060.2430) Fiber optics and optical communications : Fibers, single-mode
(070.6020) Fourier optics and signal processing : Continuous optical signal processing
(110.5100) Imaging systems : Phased-array imaging systems
(110.6770) Imaging systems : Telescopes
(120.3180) Instrumentation, measurement, and metrology : Interferometry

Original Manuscript: January 29, 2002
Revised Manuscript: May 29, 2002
Published: October 1, 2002

Emmanuel Longueteau, Laurent Delage, and François Reynaud, "Influence of the antenna diagram on a stellar interferometer that is suffering from telescope-pointing errors," Appl. Opt. 41, 5835-5844 (2002)

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