TL;DR
The proposed sensor results demonstrate the capability of the proposed structure to characterize PSA-associated bulk refractive-index variations, while molecular recognition and experimental PSA detection remain outside the scope of the present study.
A highly sensitive plasmonic refractive index (RI) sensor based on a split disc–ring resonator (SDRR) is presented and numerically analyzed. The sensor comprises a split disc surrounded by a split ring, both fabricated on a SiO₂ substrate. This structure supports coupled plasmonic modes, specifically ‘bright’ and ‘dark...
In this work, a multi-Fano resonance optical refractive index sensor based on micro-cavity–microstructure coupling is numerically investigated. The proposed structure integrates periodic gold nano-bars with a dielectric micro-cavity to form a hybrid plasmonic–photonic platform capable of supporting multiple sharp reson...
This study presents a numerical investigation of a five-layer surface plasmon resonance (SPR) sensor employing a CaF2/ZnO/Ag/ZnTe configuration, optimized through the transfer matrix method at an excitation wavelength of 633 nm. The primary objective is to numerically maximize angular refractive index (RI) sensitivity...
We introduce a new plasmonic sensor employing a soft-glass photonic crystal fiber configuration for ultra-broadband high-sensitivity refractive index and temperature detection. The analyte channel contains one gold nanowire for plasmonic excitation. A thorough analysis of the sensing characteristics is numerically stud...
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