Calculation and correction of subaperture tilt aberration modes in synthesis imaging

Anne Marie Johnson; Richard J Eastwood; Alan H Greenaway

doi:10.1364/JOSAA.29.000757

Calculation and correction of subaperture tilt aberration modes in synthesis imaging

Anne Marie Johnson, Richard J Eastwood, Alan H Greenaway

Research output: Contribution to journal › Article › peer-review

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.

Original language	English
Pages (from-to)	757-66
Number of pages	10
Journal	Journal of the Optical Society of America A
Volume	29
Issue number	5
DOIs	https://doi.org/10.1364/JOSAA.29.000757
Publication status	Published - May 2012

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10.1364/JOSAA.29.000757

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title = "Calculation and correction of subaperture tilt aberration modes in synthesis imaging",

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.",

author = "Johnson, {Anne Marie} and Eastwood, {Richard J} and Greenaway, {Alan H}",

note = "{\textcopyright} 2012 Optical Society of America",

year = "2012",

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doi = "10.1364/JOSAA.29.000757",

language = "English",

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T1 - Calculation and correction of subaperture tilt aberration modes in synthesis imaging

AU - Johnson, Anne Marie

AU - Eastwood, Richard J

AU - Greenaway, Alan H

PY - 2012/5

Y1 - 2012/5

N2 - 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.

AB - 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.

U2 - 10.1364/JOSAA.29.000757

DO - 10.1364/JOSAA.29.000757

M3 - Article

C2 - 22561934

SN - 1084-7529

VL - 29

SP - 757

EP - 766

JO - Journal of the Optical Society of America A

JF - Journal of the Optical Society of America A

IS - 5

ER -

Calculation and correction of subaperture tilt aberration modes in synthesis imaging

Abstract

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