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Proceedings Paper

Sub-Aberration Image Resolution, Astigmatisme Case
Author(s): Roland Damaschini
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Paper Abstract

By dynamical encoding of the pupil it is possible to increase image resolution when it is limited by aberrations. This technique can be applied when a photodiode array is used, providing digitized data. This encoded detection must be followed by a decoding transform. A gain in signal-to-noise ratio is obtained with regard to aperture limitation. Application to astigmatism which needs a one dimensional encoding only is presented.

Paper Details

Date Published: 11 October 1989
PDF: 3 pages
Proc. SPIE 1135, Image Processing III, (11 October 1989); doi: 10.1117/12.961652
Show Author Affiliations
Roland Damaschini, Laboratoire Aime Cotton (CNRS) (France)


Published in SPIE Proceedings Vol. 1135:
Image Processing III

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