Email this article A Numerical Method for the Optimization of the Diffraction Efficiency of Thin-Layer Coatings with Diffraction Gratings
- Authors: Martynova V.Y.1, Smirnov Y.G1, Tikhonravov A.V2
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Affiliations:
- Penza State University, Penza, 440026, Russia
- Lomonosov Moscow State University, Moscow, 119991, Russia
- Issue: Vol 59, No 3 (2023)
- Pages: 400-408
- Section: Articles
- URL: https://journals.rcsi.science/0374-0641/article/view/144933
- DOI: https://doi.org/10.31857/S0374064123030111
- EDN: https://elibrary.ru/QVNXBM
- ID: 144933
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Abstract
A method is proposed for optimizing the diffraction efficiency of multilayer dielectric gratings in the problem of spectral addition of signals in a wide range of wavelengths. From a physical point of view, we pose a direct problem of electromagnetic wave diffraction on multilayer dielectric gratings for the solution of which a modified method of separation of variables is applied. To optimize the diffraction efficiency, a gradient method with a constant step is used, while the gradient is calculated analytically. Numerical results are presented
About the authors
V. Yu Martynova
Penza State University, Penza, 440026, Russia
Email: lynxbax@mail.ru
Yu. G Smirnov
Penza State University, Penza, 440026, Russia
Email: smirnovyug@mail.ru
A. V Tikhonravov
Lomonosov Moscow State University, Moscow, 119991, Russia
Author for correspondence.
Email: tikh@srcc.msu.ru
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