Fig. 6From: Triple-Band Perfect Light Absorber Based on Hybrid Metasurface for Sensing Applicationa The schematic of the PLA for RI sensing application. b the simulated absorbance spectra of the PLA by varying the RI values of surrounding analyte from n = 1.0 to n = 1.4 by step of 0.1. c Linear fit (solid lines) and simulated resonance frequencies (hollow symbols) as a function of RI values of the surrounding analyteBack to article page