Abstract
This paper reports on the fabrication and characterization of a novel device for surface enhanced Raman scattering, fabricated using focused ion beam milling and electron beam induced deposition. The device exploits a photonic crystal cavity as an optical source to couple the incident laser with a metallic tapered nanolenses. The collected Raman measurements show that exploiting such approach is possible to overcome the difficulties related to scattering and diffraction phenomena occurring when visible laser illuminates nano-structures. A clear Raman scattering enhancement has been demonstrated for label-free detection of molecule in sub-wavelength regime.
Original language | English (US) |
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Pages (from-to) | 1286-1288 |
Number of pages | 3 |
Journal | Microelectronic Engineering |
Volume | 85 |
Issue number | 5-6 |
DOIs | |
State | Published - May 2008 |
Externally published | Yes |
Keywords
- Photonic crystal
- Plasmonic
- Raman
- SERS
- Waveguide
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
- Condensed Matter Physics
- Surfaces, Coatings and Films
- Electrical and Electronic Engineering