Fractional Fourier transforms and their optical implementation. II
Date
1993
Authors
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Source Title
Journal of the Optical Society of America A: Optics and Image Science, and Vision
Print ISSN
0740-3232
Electronic ISSN
Publisher
Optical Society of America
Volume
10
Issue
12
Pages
2522 - 2531
Language
English
Type
Article
Journal Title
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Abstract
The derivation of a linear transform kernel for fractional Fourier transforms is presented. Discussed in direct relation to fractal Fourier transforms are spatial resolution and the space-bandwidth product for propagation in graded-index media. Results show how fractional Fourier transforms can be made the basis of generalized spatial filtering systems.