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Proceedings Paper

Fresnel diffraction calculation through the fast fractional Fourier transform
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Paper Abstract

A new method for the calculation of the Fresnel diffraction patterns through a fast fractional Fourier transform (FRT) is presented. The FRT can be efficiently calculated for any order by using the fast-Fourier transform algorithm. The resemblances between the FRT and the Fresnel integrals allow the use of that algorithm to calculate efficiently the Fresnel integral of any object, with independence of its shape.

Paper Details

Date Published: 22 May 1998
PDF: 4 pages
Proc. SPIE 3490, Optics in Computing '98, (22 May 1998); doi: 10.1117/12.308852
Show Author Affiliations
David Mas, Univ. de Valencia (Spain)
Carlos Ferreira, Univ. de Valencia (Spain)
Javier Garcia, Univ. de Valencia (Spain)


Published in SPIE Proceedings Vol. 3490:
Optics in Computing '98
Pierre H. Chavel; David A. B. Miller; Hugo Thienpont, Editor(s)

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