Open AccessAstigmatic phase retrieval: an experimental demonstration
Author(s) -
Clare A. Henderson,
Garth J. Williams,
Andrew G. Peele,
Harry M. Quiney,
K. Nugent
Publication year - 2009
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.17.011905
Subject(s) - phase retrieval , optics , ptychography , curvature , phase (matter) , diffraction , vortex , physics , optical vortex , fourier transform , geometry , mathematics , beam (structure) , quantum mechanics , thermodynamics
We present the first experimental demonstration of the astigmatic phase retrieval technique, in which the diffracted wavefield is distorted by cylindrical curvature in two orthogonal directions. A charge-one vortex, a charge-two vortex, and a simple test image are all correctly reconstructed.
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