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Proceedings Paper

Phase mask for high focal depth
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Paper Abstract

We present a phase mask that substantially reduces the influence of focus error of an optical system; while preserving light gathering power, and lateral resolution. Numerical simulations and first experimental results are shown.

Paper Details

Date Published: 19 July 1999
PDF: 1 pages
Proc. SPIE 3749, 18th Congress of the International Commission for Optics, (19 July 1999); doi: 10.1117/12.355052
Show Author Affiliations
Jorge Ojeda-Castaneda, Univ. of Las Americas (Mexico)
Albertina Castro, Instituto Nacional de Astrofisica, Optica y Electronica (Mexico)
Javier Santamaria, SENER Ingenieria y Sistemas, SA (Spain)


Published in SPIE Proceedings Vol. 3749:
18th Congress of the International Commission for Optics
Alexander J. Glass; Joseph W. Goodman; Milton Chang; Arthur H. Guenther; Toshimitsu Asakura, Editor(s)

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