Polarization-Selective Bidirectional Absorption Based on a Bilayer Plasmonic Metasurface

We propose an alignment-free and polarization-selective bidirectional absorber composed of a one-dimensional bilayer Au grating array buried in a silicon nitride spacer. The absorptivity of the designed structure is more than 95% (77%) under normal forward (backward) TM-polarized light incidence, an...

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Autori principali: Tong Li, Bin-Quan Chen, Qian He, Li-An Bian, Xiong-Jun Shang, Guo-Feng Song
Natura: Artigo
Lingua:Inglês
Pubblicazione: MDPI AG 2020-11-01
Serie:Materials
Soggetti:
polarization-selective
absorb
surface plasmons
metasurface
Accesso online:https://www.mdpi.com/1996-1944/13/22/5298
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