Four-band flexible metamaterial absorber based on multi-layer square metal rings

Puntos clave

• The absorber achieves significant electromagnetic absorption performance across four distinct frequency bands.
• Measurements indicate maximum absorption rates of 90% in specific bandwidths, showcasing high efficiency.
• Assessment using layered metal ring configurations shows enhanced flexibility and response to varying electromagnetic waves.
• Possible applications in sensors and other technologies highlight the need for innovative materials in such fields.