Abstract
Various efforts have been made to detect minimum value of glucose in any medium like water or body buffer solutions with high-sensitivity, accurate, and low-cost sensors in order to ameliorate health condition. Therefore, the present study, we have investigated reliability of two-dimensional plasmonic structure by circular dichroism (CD) and ellipsometry tools for detecting different concentrations of glucose. Phase difference between p- and s-polarized light was acquired using ellipsometry technique under the condition of plasmonic-enhanced near-field chirality for the proposed achiral plasmonic 2D grating. Our results confirmed a dependency of the CD signal on glucose concentrations and also a significant sensitivity based on the phase difference between each polarization in ellipsometry parameters with the help of an achiral plasmonic structure.
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