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Interference theory of metamaterial perfect absorbers
Hou-Tong Chen
The impedance matching in metamaterial perfect absorbers has been believed to involve and rely on magnetic resonant response, with a direct evidence from the anti-parallel directio…
Optical tuning and ultrafast dynamics of high-temperature superconducting terahertz metamaterials
Ranjan Singh, Jie Xiong, Abul K. Azad +5
Through the integration of semiconductors or complex oxides into metal resonators, tunable metamaterials have been achieved by a change of environment using an external stimulus. M…
Application of metasurface description for multilayered metamaterials and an alternative theory for metamaterial perfect absorber
Jiangfeng Zhou, Hou-Tong Chen, Thomas Koschny +4
We analyze single and multilayered metamaterials by modeling each layer as a metasurface with effective surface electric and magnetic susceptibility derived through a thin film app…
Experimental demonstration of terahertz metamaterial absorbers with a broad and flat high absorption band
Li Huang, Dibakar Roy Chowdhury, Suchitra Ramani +4
We present the design, numerical simulations and experimental measurements of THz metamaterial absorbers with a broad and flat absorption top both for transverse electric and trans…
Thermal tunability in terahertz metamaterials fabricated on strontium titanate single crystal substrates
Ranjan Singh, Abul K. Azad, Q. X. Jia +2
We report an experimental demonstration of thermal tuning of resonance frequency in a planar terahertz metamaterial consisting of a gold split-ring resonator array fabricated on a…