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12 November 2024 Research on structural design of digital coding meta surfaces based on FDTD and genetic optimization algorithm
Yangyang Wang, Genfeng Liu
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Proceedings Volume 13395, International Conference on Optics, Electronics, and Communication Engineering (OECE 2024) ; 1339544 (2024) https://doi.org/10.1117/12.3048547
Event: International Conference on Optics, Electronics, and Communication Engineering, 2024, Wuhan, China
Abstract
The digital coding metasurfaces has the advantages of powerful Manipulations of electromagnetic wave and easy to machine. It has good application prospects in high-performance antennas and reducing radar cross section. However, there are very few studies on the design method of the structure of digital coding metasurface. A method combining Finite-Difference Time-Domain (FDTD) and genetic optimization algorithm (GA) is proposed in this paper, which can automatically realize the structure design of the coding metasurface through programming. Based on the phase response of periodic unit of the digital coding metasurface, a digital coding metasurface with periodic coding sequence 0101…./1010…. is produced. The correctness of the optimized design method proposed in this paper is verified by Computer Simulation Technology (CST) simulation and experiment. It provides important theoretical support for the design of digital coding metasurfaces in the future.
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Yangyang Wang and Genfeng Liu "Research on structural design of digital coding meta surfaces based on FDTD and genetic optimization algorithm", Proc. SPIE 13395, International Conference on Optics, Electronics, and Communication Engineering (OECE 2024) , 1339544 (12 November 2024); https://doi.org/10.1117/12.3048547
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KEYWORDS
Computer programming
Finite-difference time-domain method
Design
Mathematical optimization
Chemical elements
3D modeling
Genetic algorithms
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