Fig. 2
From: Infrared Perfect Ultra-narrow Band Absorber as Plasmonic Sensor
a The reflection and absorption spectra of the proposed structure under different polarization configurations. b The magnetic field distribution and c the electric field distribution at the resonant wavelength of the structure. d The comparison chart of absorption spectrum between the designed structure and metallic grating structure. e The magnetic field distribution and f the electric field distribution at the resonant wavelength of the metallic grating structure. g Simulated absorbance spectra when the damping constant of the gold film is two and three times that of bulk gold