研究目的
Investigating the plasmonic effects in enclosed and opened metallodielectric bowtie nanostructures for sensing and filtering applications.
研究成果
The opened metallodielectric bowtie nanostructures exhibit higher sensitivity and tunability compared to enclosed ones, making them promising for refractive index sensing and filtering applications. The study provides insights into the optical properties of SPR and HPR modes in such nanostructures.
研究不足
The study is limited to numerical simulations and does not include experimental validation. The sensitivity and tunability are dependent on the structural and material parameters of the nanostructures.
1：Experimental Design and Method Selection:
Numerical simulations using three-dimensional (3-D) finite element method (FEM) to investigate plasmonic effects in metallodielectric bowtie nanostructures.
2：Sample Selection and Data Sources:
Two model systems of silver bowtie-shape MNPs with dielectric cores in MNP arms.
3：List of Experimental Equipment and Materials:
Silver MNPs described by permittivity data, with parameters including side-lengths, thickness, gap distance, and period of a unit cell.
4：Experimental Procedures and Operational Workflow:
Simulation of plasmon field coupling of bowtie-shape MNPs with enclosed and opened dielectric cores interacting with incident electromagnetic wave.
5：Data Analysis Methods:
Calculation of transmittance from scattering parameters and sensitivity as resonance wavelength shift per unit refractive index change.
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