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Proceedings Paper

Models For Diffracting Aperture Identification : A Comparison Between Ideal And Convolutional Observations
Author(s): Giovanni Crosta
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Paper Abstract

We consider a number of inverse diffraction problems where different models are compared. Ideal measurements yield Cauchy data , to which corresponds a unique solution. If a convolutional observation map is chosen, uniqueness can no longer be insured. We also briefly examine a non-linear non-invertible observation map , which describes a quadratic detector. In all of these cases we discuss the link between aperture identification and optimal control theory , which leads to regularised functional minimisation. This task can be performed by a discrete gradient algorithm of which we give the flow chart.

Paper Details

Date Published: 22 September 1983
PDF: 11 pages
Proc. SPIE 0413, Inverse Optics I, (22 September 1983); doi: 10.1117/12.935852
Show Author Affiliations
Giovanni Crosta, University degli Studi (Italy)


Published in SPIE Proceedings Vol. 0413:
Inverse Optics I
Anthony J. Devaney, Editor(s)

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