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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

  • Editor: Stephen A. Burns
  • Vol. 25, Iss. 4 — Apr. 1, 2008
  • pp: 958–967

Simulations of astronomical imaging phased arrays

George Saklatvala, Stafford Withington, and Michael P. Hobson  »View Author Affiliations


JOSA A, Vol. 25, Issue 4, pp. 958-967 (2008)
http://dx.doi.org/10.1364/JOSAA.25.000958


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Abstract

We describe a theoretical procedure for analyzing astronomical phased arrays with overlapping beams and apply the procedure to simulate a simple example. We demonstrate the effect of overlapping beams on the number of degrees of freedom of the array and on the ability of the array to recover a source. We show that the best images are obtained using overlapping beams, contrary to common practice, and show how the dynamic range of a phased array directly affects the image quality.

© 2008 Optical Society of America

OCIS Codes
(030.4070) Coherence and statistical optics : Modes
(350.1260) Other areas of optics : Astronomical optics
(110.3010) Imaging systems : Image reconstruction techniques

ToC Category:
Image Processing

History
Original Manuscript: August 8, 2007
Manuscript Accepted: November 26, 2007
Published: March 26, 2008

Citation
George Saklatvala, Stafford Withington, and Michael P. Hobson, "Simulations of astronomical imaging phased arrays," J. Opt. Soc. Am. A 25, 958-967 (2008)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-25-4-958


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