Related Experiment Video
Updated: Feb 6, 2026

Localization of Odorant Receptor Genes in Locust Antennae by RNA In Situ Hybridization
Published on: July 13, 2017
Hybrid Metal-Dielectric Nano-Aperture Antenna for Surface Enhanced Fluorescence
Guowei Lu1,2, Jianning Xu3, Te Wen4
1State Key Laboratory for Mesoscopic Physics & Collaborative Innovation Center of Quantum Matter, School of Physics, Peking University, Beijing 100871, China. guowei.lu@pku.edu.cn.
Abstract:
A hybrid metal-dielectric nano-aperture antenna is proposed for surface-enhanced fluorescence applications. The nano-apertures that formed in the composite thin film consist of silicon and gold layers. These were numerically investigated in detail. The hybrid nano-aperture shows a more uniform field distribution within the apertures and a higher antenna quantum yield than pure gold nano-apertures. The spectral features of the hybrid nano-apertures are independent of the aperture size. This shows a high enhancement effect in the near-infrared region. The nano-apertures with a dielectric gap were then demonstrated theoretically for larger enhancement effects. The hybrid nano-aperture is fully adaptable to large-scale availability and reproducible fabrication. The hybrid antenna will improve the effectiveness of surface-enhanced fluorescence for applications, including sensitive biosensing and fluorescence analysis.
Related Concept Videos
The Antenna Complex
Capacitor With A Dielectric
Dielectrics are non-conducting materials with no free or loosely bound electrons. When a dielectric is...
FISH - Fluorescent In-situ Hybridization
Gauss's Law in Dielectrics
Hybrid Zones
Bonding in Metals

