Design of DOEs for multiwavelength demultiplexing and spatial focusing

Leonid L. Doskolovich; Victor A. Soifer; Nikolay L. Kazanskiy; Piero P. Perlo; Piermario Repetto

doi:10.1117/12.564901

18 May 2004 Design of DOEs for multiwavelength demultiplexing and spatial focusing

Leonid L. Doskolovich, Victor A. Soifer, Nikolay L. Kazanskiy, Piero P. Perlo, Piermario Repetto

Proceedings Volume 5485, Optical Technologies for Communications; (2004) https://doi.org/10.1117/12.564901
Event: Optical Technologies for Communications, 2003, Ufa, Russian Federation

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.

Citation Download Citation

Leonid L. Doskolovich, Victor A. Soifer, Nikolay L. Kazanskiy, Piero P. Perlo, and Piermario Repetto "Design of DOEs for multiwavelength demultiplexing and spatial focusing", Proc. SPIE 5485, Optical Technologies for Communications, (18 May 2004); https://doi.org/10.1117/12.564901

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