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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 20, Iss. 3 — Mar. 1, 2003
  • pp: 522–532

Eigenfunctions of the offset Fourier, fractional Fourier, and linear canonical transforms

Soo-Chang Pei and Jian-Jiun Ding  »View Author Affiliations


JOSA A, Vol. 20, Issue 3, pp. 522-532 (2003)
http://dx.doi.org/10.1364/JOSAA.20.000522


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Abstract

The offset Fourier transform (offset FT), offset fractional Fourier transform (offset FRFT), and offset linear canonical transform (offset LCT) are the space-shifted and frequency-modulated versions of the original transforms. They are more general and flexible than the original ones. We derive the eigenfunctions and the eigenvalues of the offset FT, FRFT, and LCT. We can use their eigenfunctions to analyze the self-imaging phenomena of the optical system with free spaces and the media with the transfer function exp[j(h2x2+h1x+ h0)] (such as lenses and shifted lenses). Their eigenfunctions are also useful for resonance phenomena analysis, fractal theory development, and phase retrieval.

© 2003 Optical Society of America

OCIS Codes
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(070.2590) Fourier optics and signal processing : ABCD transforms
(070.6020) Fourier optics and signal processing : Continuous optical signal processing

Citation
Soo-Chang Pei and Jian-Jiun Ding, "Eigenfunctions of the offset Fourier, fractional Fourier, and linear canonical transforms," J. Opt. Soc. Am. A 20, 522-532 (2003)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-20-3-522


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