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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 16, Iss. 7 — Jul. 1, 1999
  • pp: 1745–1750

Technique for combining incoherent interferometric images

E. Keith Hege, Julian C. Christou, Stuart M. Jefferies, and Matthew Cheselka  »View Author Affiliations


JOSA A, Vol. 16, Issue 7, pp. 1745-1750 (1999)
http://dx.doi.org/10.1364/JOSAA.16.001745


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Abstract

We discuss the use of a physically constrained iterative deconvolution algorithm to combine and deconvolve images taken with interferometric imaging arrays. To demonstrate this method we have simulated imaging with the Large Binocular Telescope [Proc. SPIE 3352, 23 (1998)]. This is a two-element interferometer in which each element is under adaptive-optics control for atmospheric compensation and in which the fixed baseline is maintained by active control to compensate for elastic flexure of steel under variable gravitational loading. We show how images taken at different position angles, by means of the two 8.4-m apertures, co-phased across the 14.6-m center-to-center separation, can be used to tomographically reconstruct an astronomical object at the full-aperture (23-m) diffraction limit of the Large Binocular Telescope.

© 1999 Optical Society of America

OCIS Codes
(100.0100) Image processing : Image processing
(100.1830) Image processing : Deconvolution
(100.3010) Image processing : Image reconstruction techniques
(100.3190) Image processing : Inverse problems
(100.6640) Image processing : Superresolution
(110.5100) Imaging systems : Phased-array imaging systems

History
Original Manuscript: November 19, 1998
Revised Manuscript: February 16, 1999
Manuscript Accepted: February 16, 1999
Published: July 1, 1999

Citation
E. Keith Hege, Julian C. Christou, Stuart M. Jefferies, and Matthew Cheselka, "Technique for combining incoherent interferometric images," J. Opt. Soc. Am. A 16, 1745-1750 (1999)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-16-7-1745

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