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A review of metasurfaces: physics and applications
Hou-Tong Chen, Antoinette J Taylor, Nanfang Yu
Metamaterials are composed of periodic subwavelength metal/dielectric structures that resonantly couple to the electric and/or magnetic components of the incident electromagnetic f…
Metasurface Broadband Solar Absorber
A. K. Azad, W. J. M. Kort-Kamp, M. Sykora +5
We demonstrate a broadband, polarization independent, omnidirectional absorber based on a metallic metasurface architecture, which accomplishes greater than 90% absorptance in the…
Terahertz metamaterials for linear polarization conversion and anomalous refraction
Nathaniel K. Grady, Jane E. Heyes, Dibakar Roy Chowdhury +6
Polarization is one of the basic properties of electromagnetic waves conveying valuable information in signal transmission and sensitive measurements. Conventional methods for adva…
Impact of resonator geometry and its coupling with ground plane on ultrathin metamaterial perfect absorbers
Li Huang, Dibakar Roy Chowdhury, Suchitra Ramani +5
We investigate the impact of resonator geometry and its coupling with ground plane on the performance of metamaterial perfect absorbers. Using a cross-resonator as an example struc…
A reinterpretation of the metamaterial perfect absorber
Yong Zeng, Hou-Tong Chen, Diego A. R. Dalvit
We develop a simple treatment of a metamaterial perfect absorber (MPA) based on grating theory. We analytically prove that the condition of MPA requires the existence of two curren…
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…