Aperture configuration optimality criterion for phased arrays of optical telescopes.

Details Aperture configuration optimality criterion for phased arrays of optical telescopes. Aperture configuration optimality criterion for phased arrays of optical telescopes.

Dec 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996josaa..13.2367m&link_type=abstract

Journal of the Optical Society of America A, Vol. 13, No. 12, p. 2367 - 2374

Physics

5

Telescope Arrays

Scientific paper

The authors address the optimization of the relative arrangement (aperture configuration) of a phased array of optical telescopes, coherently combined to form images of extended objects in a common focal plane. A novel optimality criterion, which is directly linked to the restoration error of the original object from the recorded image, is derived. This criterion is then refined into a second criterion to accommodate the possible knowledge of the noise spectrum. The optimal configuration is a function of the maximum spatial frequency of interest (or desired resolution) and takes into account the diameters of the elementary telescopes. Simulations illustrate the usefulness of this criterion for designing a synthetic-aperture optical instrument with three, four, and five telescopes.

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