Tunable Coherent Perfect Absorption Based on Varactor-Embedded Metamaterial Absorber

In this article, an amplitude- and frequency-tunable coherent perfect absorption (CPA) is presented using a varactor-embedded frequency selective surface (FSS)-based metamaterial absorber. The proposed structure mainly incorporates two dielectric layers, two metal-patterned layers equipped with vara...

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Veröffentlicht in:	IEEE transactions on antennas and propagation 2024-04, Vol.72 (4), p.3461-3471
Hauptverfasser:	Xing, Jiaqi, Li, Da, Fan, Yudi, Zhang, Ling, Li, Er-Ping
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorbers Absorbers (materials) Absorption Amplitudes Circuit design Coherence Coherent perfect absorption (CPA) Electromagnetic radiation Equivalent circuits Frequency ranges frequency selective surface (FSS) Frequency selective surfaces Integrated circuit modeling metamaterial absorber Metamaterials Metasurfaces Silicon Standing waves Substrates tunable varactor Varactor diodes Varactors Wave propagation
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