Analytical Insights Into Plasma-Assisted Broadband Multilayered Microwave Absorber Design Using Chaos Game Optimization

This article introduces an analytical approach that integrates multilayer absorber modeling and chaos game optimization (CGO), presenting a novel methodology for a broadband microwave absorber design. The research presents efficient plasma-assisted microwave absorbers, providing analytical insights into their multilayer structures. This study presents a comprehensive analysis of the absorption mechanisms, elucidating the role of plasma in enhancing absorptive characteristics. The optimized triple layer absorber (TLA) exhibits absorption across a remarkable bandwidth (BW) of 23.76 GHz, within the wideband spectrum of 1–28 GHz. The impact of varying plasma parameters, layer configurations, and incident wave characteristics on absorption performance is explored. Besides, radar cross section (RCS) studies are conducted across various geometric shapes, including a sphere, cone, cylinder, and pyramid. Key findings reveal the potential of plasma-assisted wave absorbers to achieve tunable and efficient absorption across a broad frequency spectrum. The analytical insights provided contribute to the fundamental understanding of these structures, guiding the design and optimization of absorbers tailored for specific applications. This study not only advances the theoretical foundations of plasma-assisted absorbers but also paves the way for the development of innovative technologies with enhanced absorption capabilities.