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