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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 15 — Aug. 1, 2007
  • pp: 2109–2111

White-light imaging with fractal zone plates

Walter D. Furlan, Genaro Saavedra, and Juan A. Monsoriu  »View Author Affiliations


Optics Letters, Vol. 32, Issue 15, pp. 2109-2111 (2007)
http://dx.doi.org/10.1364/OL.32.002109


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Abstract

We report the achievement of the first images to our knowledge obtained with a fractal zone plates (FraZPs). FraZPs are diffractive lenses characterized by the fractal structure of their foci. This property predicts an improved performance of FraZPs as image forming devices with an extended depth of field and predicts a reduced chromatic aberration under white-light illumination. These theoretical predictions are confirmed experimentally in this work. We show that the polychromatic modulation transfer function of a FraZP affected by defocus is about two times better than one corresponding to a Fresnel zone plate.

© 2007 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(110.4850) Imaging systems : Optical transfer functions
(340.7440) X-ray optics : X-ray imaging

ToC Category:
Imaging Systems

History
Original Manuscript: March 15, 2007
Manuscript Accepted: May 9, 2007
Published: July 19, 2007

Citation
Walter D. Furlan, Genaro Saavedra, and Juan A. Monsoriu, "White-light imaging with fractal zone plates," Opt. Lett. 32, 2109-2111 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-15-2109


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