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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: A5–A12

Sub-aperture piston phase diversity for segmented and multi-aperture systems

Matthew R. Bolcar and James R. Fienup  »View Author Affiliations


Applied Optics, Vol. 48, Issue 1, pp. A5-A12 (2009)
http://dx.doi.org/10.1364/AO.48.0000A5


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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

OCIS Codes
(100.3020) Image processing : Image reconstruction-restoration
(100.5070) Image processing : Phase retrieval
(110.6770) Imaging systems : Telescopes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology

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

Citation
Matthew R. Bolcar and James R. Fienup, "Sub-aperture piston phase diversity for segmented and multi-aperture systems," Appl. Opt. 48, A5-A12 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-1-A5

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