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Applied Optics

Applied Optics


  • Vol. 38, Iss. 23 — Aug. 10, 1999
  • pp: 4985–4989

Experimental demonstration of a continuously variant fractional Fourier transformer

Daniela Dragoman, Mircea Dragoman, and Karl-Heinz Brenner  »View Author Affiliations

Applied Optics, Vol. 38, Issue 23, pp. 4985-4989 (1999)

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We demonstrate that an off-axis illuminated hemispherical-rod microlens acts as a fractional Fourier transformer with a continuously varying degree of fractionality. A complete theoretical treatment of the device as well as experimental results are presented.

© 1999 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
(200.4740) Optics in computing : Optical processing

Original Manuscript: March 30, 1999
Revised Manuscript: May 25, 1999
Published: August 10, 1999

Daniela Dragoman, Mircea Dragoman, and Karl-Heinz Brenner, "Experimental demonstration of a continuously variant fractional Fourier transformer," Appl. Opt. 38, 4985-4989 (1999)

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