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. 2021 Mar 2;7:14. doi: 10.1038/s41378-020-00237-8

Fig. 4. Retrieved effective impedance and field distributions of a ring-shaped TiN absorber.

Fig. 4

a Effective impedance of a ring-shaped TiN absorber retrieved from S-parameters. b Simulated electric and magnetic field distribution at 900 nm along xy-plane. c Simulated electric and magnetic field distribution at 450 nm along xz-plane with current density (red arrow)