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Fig. 2 | Nanoscale Research Letters

Fig. 2

From: Plasmonically induced perfect absorption in graphene/metal system

Fig. 2

Optical response of the single modes. a The reflectance spectra of the structure of silver groove only (red line) and graphene only (blue line) in normal incidence, respectively. b The reflectance spectra of the structure of graphene-Si groove for different period P of unit cell. c The numerical modeling and analytical results of the resonant frequency f, respectively. d The electric field Ex distributions of F-P mode (left) and graphene quasi-guided resonance mode (right).

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