Form of the resonant reflection (transmission) line of optically thin dielectric gratings with different filling coefficients

V. I. Shoev; E. A. Efremova; A. A. Zinchik; I. R. Krylov; U. Prokhorova; E. V. Shalymov; S. S. Vergeles; V. Yu. Venediktov

doi:10.1117/12.2573648

10 October 2020 Form of the resonant reflection (transmission) line of optically thin dielectric gratings with different filling coefficients

V. I. Shoev, E. A. Efremova, A. A. Zinchik, I. R. Krylov, U. Prokhorova, E. V. Shalymov, S. S. Vergeles, V. Yu. Venediktov

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Proceedings Volume 11556, Nanophotonics and Micro/Nano Optics VI; 115560T (2020) https://doi.org/10.1117/12.2573648
Event: SPIE/COS Photonics Asia, 2020, Online Only

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Abstract

The article presents a study of the dependence of the change in the shape of the resonance transmission line for optical thin dielectric gratings. The result of changing the duty cycle for high and low medium contrast while maintaining the amount of substance has been demonstrated. The results of the effect of the filling factor on the resonance transmission width and the frequency position in the normal TE wave drop are numerically investigated. Results for various options of a angles of the falling bunch at various coefficients of filling are presented. The effect of refractive index contrast of this structure on the width and shape of resonance lines was analyzed. In the first approximation, effective refractive indices and effective thicknesses for such structures were calculated. Conclusions are drawn about the conditions under which the structure can be considered optically thin.

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V. I. Shoev, E. A. Efremova, A. A. Zinchik, I. R. Krylov, U. Prokhorova, E. V. Shalymov, S. S. Vergeles, and V. Yu. Venediktov "Form of the resonant reflection (transmission) line of optically thin dielectric gratings with different filling coefficients", Proc. SPIE 11556, Nanophotonics and Micro/Nano Optics VI, 115560T (10 October 2020); https://doi.org/10.1117/12.2573648

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