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Proceedings Paper

Multifocal and combined diffractive elements
Author(s): Victor A. Soifer; Leonid L. Doskolovich; Michael A. Golub; Nikolay L. Kazanskiy; Sergey I. Kharitonov; Piero P. Perlo
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Paper Abstract

A method to compute diffractive elements focusing in a set of lines located in different focal planes along the optical axis is considered. A phase nonlinearity is applied to the phase function of a focusator in a line. It is proven that the selection of the nonlinearity is reduced to the problem of the phase diffraction grating with pre-set energy distribution in the orders. Combined multi-focal elements to focus in two sets of lines simultaneously are considered as well; the first consists of lines located in one plane and the second of lines located in different focal planes along the optical axis.

Paper Details

Date Published: 15 December 1993
PDF: 9 pages
Proc. SPIE 1992, Miniature and Micro-Optics and Micromechanics, (15 December 1993); doi: 10.1117/12.165692
Show Author Affiliations
Victor A. Soifer, Image Processing Systems Institute (Russia)
Leonid L. Doskolovich, Image Processing Systems Institute (Russia)
Michael A. Golub, Image Processing Systems Institute (Russia)
Nikolay L. Kazanskiy, Image Processing Systems Institute (Russia)
Sergey I. Kharitonov, Image Processing Systems Institute (Russia)
Piero P. Perlo, Ctr. Research Fiat (Italy)


Published in SPIE Proceedings Vol. 1992:
Miniature and Micro-Optics and Micromechanics
Neal C. Gallagher; Chandrasekhar Roychoudhuri, Editor(s)

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