Sub-Aberration Image Resolution, Astigmatisme Case

Roland Damaschini

doi:10.1117/12.961652

11 October 1989 Sub-Aberration Image Resolution, Astigmatisme Case

Roland Damaschini

Proceedings Volume 1135, Image Processing III; (1989) https://doi.org/10.1117/12.961652
Event: 1989 International Congress on Optical Science and Engineering, 1989, Paris, France

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.

Citation Download Citation

Roland Damaschini "Sub-Aberration Image Resolution, Astigmatisme Case", Proc. SPIE 1135, Image Processing III, (11 October 1989); https://doi.org/10.1117/12.961652

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