ArticleMaterials (Basel, Switzerland)2019
Design of a Tunable Absorber Based on Active Frequency-Selective Surface for UHF Applications.
Article in Materials (Basel, Switzerland), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- A Dual-Layer Frequency Selective Surfaces with Tunable Transmission and Fixed Absorption Bands.Materials (Basel, Switzerland) · 2025Article
- Ultrawideband Terahertz Absorber with Dielectric Cylinders Loaded Patterned Graphene Structure.Materials (Basel, Switzerland) · 2021Article
- Nanosecond Laser Etching of Aluminum-Plated Composite Materials Applied to Frequency Selective Surfaces.Materials (Basel, Switzerland) · 2020Article
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Authors and funding
5 authors.
Funding
Abstract
An ultrathin tunable absorber for the ultrahigh frequency (UHF) band is presented in this paper. The absorber is a single-layer structure based on the topology of a Salisbury screen, in which the conventional resistive layer is replaced by an active frequency-selective surface (AFSS) loaded with resistors and varactors. The reflectivity response of the absorber can be controlled by adjusting the reverse bias voltage for the varactors, which is verified by both simulated and measured results. The experimental results show that the reflectivity response of the absorber can be modulated below -10 dB over a frequency band ranging from 415 to 822 MHz. The total thickness of the absorber, 10 mm, is equivalent to only
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