All-dielectric metasurface optical refractive index sensor based on double Fano resonances excited by dual magnetic dipole modes

Ziang Gao; Tonggang Zhao

doi:10.1117/12.2643613

4 January 2023 All-dielectric metasurface optical refractive index sensor based on double Fano resonances excited by dual magnetic dipole modes

Ziang Gao, Tonggang Zhao

Author Affiliations +

Proceedings Volume 12322, Nanophotonics, Micro/Nano Optics, and Plasmonics VIII; 123220P (2023) https://doi.org/10.1117/12.2643613
Event: SPIE/COS Photonics Asia, 2022, Online Only

Conference Poster

Abstract

We presented an all-dielectric metasurface optical refractive index sensor based on four fan-shaped holes that produces two Fano resonances in magnetic dipole (MD) modes, with maximum sensitivity (S) and figure of merit (FOM) of 225 nm/RIU and 750, respectively.

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Ziang Gao and Tonggang Zhao "All-dielectric metasurface optical refractive index sensor based on double Fano resonances excited by dual magnetic dipole modes", Proc. SPIE 12322, Nanophotonics, Micro/Nano Optics, and Plasmonics VIII, 123220P (4 January 2023); https://doi.org/10.1117/12.2643613

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