Optimization of Multilayer Graphene-Based Absorbers Under H-Polarization via Differential Evolution in a Hybrid Computing Environment

  • Mstyslav E. Kaliberda V. N. Karazin Kharkiv National University, Kharkiv, Ukraine; Institute of Radio Astronomy of NAS of Ukraine, Kharkiv, Ukraine https://orcid.org/0000-0002-8169-4360
  • Sergey A. Pogarsky V. N. Karazin Kharkiv National University, Kharkiv, Ukraine; Institute of Radio Astronomy of NAS of Ukraine, Kharkiv, Ukraine https://orcid.org/0000-0003-0833-1421
  • Vladyslav M. Nasonov V. N. Karazin Kharkiv National University, Kharkiv, Ukraine
  • Viktoriia A. Lunova V. N. Karazin Kharkiv National University, Kharkiv, Ukraine
DOI: https://doi.org/10.26565/2312-4334-2026-2-54
Keywords: graphene, wideband absorber, differential evolution, singular integral equations, multilayer periodic structure, global optimization

Abstract

A computationally efficient framework for optimizing multilayer radar-absorbing structures based on periodic planar gratings of resistive strips embedded in a dielectric slab is presented for the H-polarization case. The electromagnetic response is modeled using a rigorous singular integral equation (SIE) formulation combined with an operator-based cascading technique, providing high numerical accuracy and stability with low computational cost. This ultra-fast forward solver is integrated into a parallel differential evolution (DE) optimization framework implemented in a client–server architecture, enabling efficient solution of high-dimensional inverse design problems. The optimization targets broadband absorption under normal incidence while preserving optical transparency, with graphene used as a representative resistive material. Numerical results demonstrate effective suppression of resonance-induced spectral holes and stable, wideband absorption in multilayer structures with 10 layers, showing robustness under fabrication-inspired constraints and oblique incidence.

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Published
2026-06-10
Cited
How to Cite
Kaliberda, M. E., Pogarsky, S. A., Nasonov, V. M., & Lunova, V. A. (2026). Optimization of Multilayer Graphene-Based Absorbers Under H-Polarization via Differential Evolution in a Hybrid Computing Environment. East European Journal of Physics, (2), 482-490. https://doi.org/10.26565/2312-4334-2026-2-54
Issue
No. 2 (2026): East European Journal of Physics
Section
Original Papers

Copyright (c) 2026 Mstyslav E. Kaliberda, Sergey A. Pogarsky, Vladyslav M. Nasonov, Viktoriia A. Lunova

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