Abstract

Phase diversity is a method of image-based wavefront sensing that simultaneously estimates the unknown phase aberrations of an imaging system along with an image of the object. To perform this estimation a series of images differing by a known aberration, typically defocus, are used. In this paper we present a new method of introducing the diversity unique to segmented and multi-aperture systems in which individual segments or sub-apertures are pistoned with respect to one another. We compare this new diversity with the conventional focus diversity.

© 2008 Optical Society of America

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History
Original Manuscript: June 2, 2008
Manuscript Accepted: July 7, 2008
Published: September 24, 2008

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Author Affiliations

Matthew R. Bolcar, James R. Fienup

The University of Rochester

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