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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Editor: Franco Gori
  • Vol. 29, Iss. 5 — May. 1, 2012
  • pp: 757–766

Calculation and correction of subaperture tilt aberration modes in synthesis imaging

Anne Marie Johnson, Richard J. Eastwood, and Alan H. Greenaway  »View Author Affiliations

JOSA A, Vol. 29, Issue 5, pp. 757-766 (2012)

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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

Original Manuscript: December 13, 2011
Manuscript Accepted: December 21, 2011
Published: April 20, 2012

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)

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