Article first published online: 20 OCT 2015
DOI: 10.1002/adom.201570065
© 2015 WILEY-VCH Verlag GmbH & Co. KGaA
http://onlinelibrary.wiley.com/doi/10.1002/adom.201570065/abstractA single-layered metasurface is proposed by Q. Cheng, T. J. Cui, and co-workers to realize broadband diffusion at terahertz frequencies based on the destructive interference from a number of sub-wavelength elements. On page 1405, two kinds of elements are used to achieve full phase range and a linear phase response. The scattered waves can be efficiently manipulated to disperse into nearly all directions, resulting in extremely low back-scattering. The metasurface shows excellent angular independence toward incident waves across a broad spectrum.
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