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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 10, Iss. 1 — Jan. 14, 2002
  • pp: 98–103

Tailoring the axial shape of the point spread function using the Toraldo concept

M. Martínez-Corral, M. T. Caballero, E. H. K. Stelzer, and J. Swoger  »View Author Affiliations


Optics Express, Vol. 10, Issue 1, pp. 98-103 (2002)
http://dx.doi.org/10.1364/OE.10.000098


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Abstract

A novel procedure for shaping the axial component of the point spread function of nonparaxial focusing systems by use of phase-only pupil filters is presented. The procedure is based on the Toraldo technique for tailoring focused fields. The resulting pupil filters consist of a number of concentric annular zones with constant real transmittance. The number of zones and their widths can be adapted according to the shape requirements. Our method is applied to design filters that produce axial superresolution in confocal scanning systems.

© Optical Society of America

OCIS Codes
(100.6640) Image processing : Superresolution
(110.1220) Imaging systems : Apertures
(140.3300) Lasers and laser optics : Laser beam shaping
(170.1790) Medical optics and biotechnology : Confocal microscopy

ToC Category:
Research Papers

History
Original Manuscript: December 4, 2001
Published: January 14, 2002

Citation
Manuel Martinez-Corral, M. Caballero, Ernst H. K. Stelzer, and Jim Swoger, "Tailoring the axial shape of the point spread function using the Toraldo concept," Opt. Express 10, 98-103 (2002)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-10-1-98


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References

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