Design and Full Characterization of a 3-D-Printed Hyperbolic Pyramidal Wideband Microwave Absorber

A fully 3-D-printed wideband metamaterial absorber, characterized by an absorptivity above 0.95 in the X and Ku-bands and with a fractional bandwidth of 0.71, is presented in this letter. A 250 mm × 250 mm sample, with a total thickness of 6.3 mm (0.26λ 0 ), is fabricated exploiting the fused deposi...

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Veröffentlicht in:	IEEE antennas and wireless propagation letters 2021-01, Vol.20 (1), p.28-32
Hauptverfasser:	Lleshi, Xhoandri, Van Hoang, Thi Quynh, Loiseaux, Brigitte, Lippens, Didier
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorbers (materials) Absorption Absorptivity Antenna measurements Azimuth Broadband Electromagnetism Engineering Sciences Filaments Frequency measurement Frequency ranges Fused deposition modeling Hidden Markov models Horizontal polarization hyperbolic metamaterial (HMM) Materials Metamaterials Microwave absorbers radar absorbing material (RAM) Surface impedance Three dimensional printing Vertical polarization Wideband wideband absorber
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