Abstract
The design and characterization of a compact, ultrathin, polarization-insensitive, triple-band metamaterial microwave absorber are presented. The designed absorber consists of three metallic resonators printed on the top of a 0.8-mm-thick FR4 dielectric substrate. The structure is designed to achieve triple-band absorption at 3.92 GHz (S-band), 5.92 GHz (C-Band), and 9.2 GHz (X-Band) with 92.2%, 94.5% and 98.71% absorption, respectively. The proposed design is 0.0245λ thick, and its periodicity is 0.3068λ corresponding to its highest frequency of absorption. The design is compact and ultrathin as compared to several already reported dual- and triple-band absorbers. The absorber exhibits wide angular stability up to 60° angle of incident wave. A prototype of the designed absorber has been fabricated, and the measured results are observed in agreement with the simulated ones. The compact size and ultrathin thickness make the design fit for potential RF applications such as RCS reduction etc.
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Divya, Sood, D. (2021). Ultrathin Compact Triple-Band Polarization-Insensitive Metamaterial Microwave Absorber. In: Marriwala, N., Tripathi, C.C., Kumar, D., Jain, S. (eds) Mobile Radio Communications and 5G Networks. Lecture Notes in Networks and Systems, vol 140. Springer, Singapore. https://doi.org/10.1007/978-981-15-7130-5_47
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DOI: https://doi.org/10.1007/978-981-15-7130-5_47
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