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A dual band terahertz metamaterial absorber

Journal of Physics D Applied Physics · 2010 · Vol. 43(22) · pp. 225102–225102

Hu Tao✉(Boston University)Chris Bingham(Boston College)Daniel Pilon(Boston University)Kebin Fan(Boston University)Andrew C. Strikwerda(Boston University)David Shrekenhamer(Boston College)Willie J. Padilla(Boston College)Xin Zhang(Boston University)Richard D. Averitt(Boston University)

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Abstract

We present the design, fabrication and characterization of a dual band metamaterial absorber which experimentally shows two distinct absorption peaks of 0.85 at 1.4 THz and 0.94 at 3.0 THz. The dual band absorber consists of a dual band electric-field-coupled (ELC) resonator and a metallic ground plane, separated by an 8 µm dielectric spacer. Fine tuning of the two absorption resonances is achieved by individually adjusting each ELC resonator geometry.

Metamaterials and Metasurfaces Applications Advanced Antenna and Metasurface Technologies Antenna Design and AnalysisTerahertz radiationMulti-band deviceMetamaterial absorberMetamaterialGround planeMaterials scienceResonatorSplit-ring resonatorAbsorption (acoustics)Dielectric

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