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Hybrid Metasurface Based Tunable Near-Perfect Absorber and Plasmonic Sensor

Aoni, Rifat Ahmmed; Rahmani, Mohsen; Xu, Lei; Miroshnichenko, Andrey

Description

We propose a hybrid metasurface-based perfect absorber which shows the near-unity absorbance and facilities to work as a refractive index sensor. We have used the gold mirror to prevent the transmission and used the amorphous silicon (a-Si) nanodisk arrays on top of the gold mirror which helps to excite the surface plasmon by scattering light through it at the normal incident. We numerically investigated the guiding performance. The proposed absorber is polarization independent and shows a...[Show more]

CollectionsANU Research Publications
Date published: 2018-06-27
Type: Journal article
URI: http://hdl.handle.net/1885/232639
Source: Materials
DOI: 10.3390/ma11071091
Access Rights: Open Access

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