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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 1 — Jan. 1, 2009
  • pp: A58–A62

Closure phase and lucky imaging

William T. Rhodes  »View Author Affiliations


Applied Optics, Vol. 48, Issue 1, pp. A58-A62 (2009)
http://dx.doi.org/10.1364/AO.48.000A58


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Abstract

Since its introduction by Jennison in 1958, the closure-phase method for removing the effects of electrical path-length errors in radio astronomy and of atmospheric turbulence in optical astronomy has been based on the non-redundant-spacing triple interferometer. It is shown that through application of lucky imaging concepts it is possible to relax this condition, making closure-phase methods possible with redundantly spaced interferometer configurations and thereby widening their range of application. In particular, a quadruple-interferometer can, under lucky imaging conditions, be treated as though it were a triple interferometer. The slit-annulus aperture is investigated as a special case.

© 2008 Optical Society of America

OCIS Codes
(110.0115) Imaging systems : Imaging through turbulent media
(100.3175) Image processing : Interferometric imaging

History
Original Manuscript: June 9, 2008
Revised Manuscript: October 4, 2008
Manuscript Accepted: October 16, 2008
Published: November 7, 2008

Citation
William T. Rhodes, "Closure phase and lucky imaging," Appl. Opt. 48, A58-A62 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-1-A58

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