Abstract
We introduce unknown-transverse translation diversity phase retrieval:
a ptychographic algorithm for optical metrology when a subaperture is
translating through a plane conjugate to the exit pupil in a very
poorly known fashion. The algorithm estimates the direction of
translation and the distance traveled by the subaperture from one
point spread function (PSF) to the next. It also estimates unknown
point target motion and rotations of the subaperture between PSF
acquisitions from the PSF data.
© 2016 Optical Society of
America
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Corrections
7 June 2016: Corrections were made to the body.
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