Abstract
Abstract In this work, a 2-D photonic crystal (PhC)-based refractive index biomedical sensor is designed, simulated and evaluated. The proposed design successfully and accurately distinguishes between famous ten types of blood components. The levels of sensitivity, quality factor, and compactness for the proposed design are remarkable compared to related literatures. A nanocavity PhC waveguide is equipped with a double circular-hole defect and a hexagonal lattice of silicon rods to validate the proposed sensor. Finite-difference time-domain and plane wave expansion methods are used to analyze and simulate the proposed design. A comparison between the presented work and related literatures for blood component-based refractive index PhC sensors is made to ensure the validity and effectiveness of the proposed design.
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