Spectrochim Acta A Mol Biomol Spectrosc
March 2025
Terahertz (THz)-based metasurface sensors offer potential and extensive application prospects for organic solvent detection. This study proposed a liquid sensor comprising an electromagnetically induced transparency (EIT)-like THz metasurface covered by a channel. The designed device can exploit variations in the EIT-like resonance peaks to distinguish between the concentrations of three types of organic solvents (ethanol(ET), acetone(AC), and isopropyl alcohol(IPA)).
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