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Calculation and correction of subaperture tilt aberration modes in synthesis imaging |
JOSA A, Vol. 29, Issue 5, pp. 757-766 (2012)
http://dx.doi.org/10.1364/JOSAA.29.000757
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Abstract
We extend the redundant spacings calibration method for finding piston coefficients affecting the elements of a dilute aperture array so that tilt phase coefficients can also be calculated and corrected without the need for assumptions about the object. The tilt coefficient retrieval method is successfully demonstrated in simulation, and the specifics of correction by image sharpness are discussed, showing that in dilute aperture systems this method does not necessarily produce a unique image.
© 2012 Optical Society of America
OCIS Codes
(110.1220) Imaging systems : Apertures
(110.5100) Imaging systems : Phased-array imaging systems
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(110.1080) Imaging systems : Active or adaptive optics
ToC Category:
Imaging Systems
History
Original Manuscript: December 13, 2011
Manuscript Accepted: December 21, 2011
Published: April 20, 2012
Citation
Anne Marie Johnson, Richard J. Eastwood, and Alan H. Greenaway, "Calculation and correction of subaperture tilt aberration modes in synthesis imaging," J. Opt. Soc. Am. A 29, 757-766 (2012)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-29-5-757
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