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Optics Letters

Optics Letters


  • Vol. 28, Iss. 8 — Apr. 15, 2003
  • pp: 607–609

Design of superresolving continuous phase filters

Daniel M. de Juana, José E. Oti, Vidal F. Canales, and Manuel P. Cagigal  »View Author Affiliations

Optics Letters, Vol. 28, Issue 8, pp. 607-609 (2003)

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We present a procedure for designing rotationally symmetric pupil-plane masks to control the three-dimensional light-intensity distribution near focus. Our method is based on the use of a series of figures of merit that are properly defined to describe the effect of general complex pupil functions. As a practical implementation, we have applied our method to obtain superresolving continuous smoothly varying phase-only filters. The advantages of these kinds of filters are that they do not produce energy absorption and they are easy to build with a phase-controlling device such as a deformable mirror. Results of comparisons between the performance of our method and that of other phase-filter designs are provided.

© 2003 Optical Society of America

OCIS Codes
(100.6640) Image processing : Superresolution
(110.1220) Imaging systems : Apertures
(220.1230) Optical design and fabrication : Apodization
(350.5730) Other areas of optics : Resolution

Daniel M. de Juana, José E. Oti, Vidal F. Canales, and Manuel P. Cagigal, "Design of superresolving continuous phase filters," Opt. Lett. 28, 607-609 (2003)

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