Research Advance on the Sensing Characteristics of Refractive Index Sensors Based on Electromagnetic Metamaterials

Figure 12

(a) Schematic diagrams and simulated transmission spectra of integrated microfluidic metamaterial sensors. (b) Measured results from the metamaterial sensor for ethanol with different concentrations in channels A and B. (a, b) Adapted with permission from reference [63] copyright 2018, Springer Nature.

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