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Proceedings Paper

Design of DOEs for multiwavelength demultiplexing and spatial focusing
Author(s): Leonid L. Doskolovich; Victor A. Soifer; Nikolay L. Kazanskiy; Piero P. Perlo; Piermario Repetto
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Paper Abstract

We propose a technique for calculating the color separation gratings aimed at separating plane light beams of different wavelengths into different diffraction orders. The technique is based on minimizing the difference between prism complex transmission functions and the complex amplitudes of beams generated for different wavelengths. We derived an analytical expression for the profile of a color separation grating that generalizes the familiar gratings onto the case of a more general wavelength relations. The technique is used to design diffractive optical elements (DOEs) intended to generate desired light beams at different wavelengths. The DOE intended to operate two wavelengths is designed using a nonlinear superposition of phase functions describing required transformation of input beams for two different wavelengths.

Paper Details

Date Published: 18 May 2004
PDF: 9 pages
Proc. SPIE 5485, Optical Technologies for Communications, (18 May 2004); doi: 10.1117/12.564901
Show Author Affiliations
Leonid L. Doskolovich, Image Processing Systems Institute (Russia)
Victor A. Soifer, Image Processing Systems Institute (Russia)
Nikolay L. Kazanskiy, Image Processing Systems Institute (Russia)
Piero P. Perlo, FIAT Research Ctr. (Italy)
Piermario Repetto, FIAT Research Ctr. (Italy)

Published in SPIE Proceedings Vol. 5485:
Optical Technologies for Communications
Salavat T. Kussimov; Vladimir A. Andreev; Albert H. Sultanov; Vladimir A. Burdin, Editor(s)

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