Share Email Print
cover

Proceedings Paper • new

Nanostructured dielectric surfaces for Raman spectroscopy: design and thermal analysis
Author(s): L. Pjotr Stoevelaar; Jernej Cernigoj; Jonas Berzinš; Fabrizio Silvestri; Giampiero Gerini
Format Member Price Non-Member Price
PDF $17.00 $21.00

Paper Abstract

In this paper, an all-dielectric metasurface for surface enhanced Raman spectroscopy (SERS) is presented. The proposed design constitutes of an array of silicon (Si) dimers on top of thin film of silicon nitride (SiN), deposited on a glass substrate. The coupling mechanism between the dimers is based on two orthogonal guided waves in the SiN film. These guided modes lead to a strong separation between excitation and emitted Raman signal in the waveguide. The new design is compared to a previously published dielectric design with a gold backing mirror. The comparison takes into account manufacturability, field enhancement and thermal aspects. This shows that the all-dielectric design has about 7 times less power dissipation but the enhancement factor is about 20 times smaller.

Paper Details

Date Published: 5 September 2019
PDF: 4 pages
Proc. SPIE 11080, Metamaterials, Metadevices, and Metasystems 2019, 110802U (5 September 2019); doi: 10.1117/12.2528776
Show Author Affiliations
L. Pjotr Stoevelaar, Technische Univ. Eindhoven (Netherlands)
TNO (Netherlands)
Jernej Cernigoj, TNO (Netherlands)
Jonas Berzinš, Friedrich-Schiller-Univ. Jena (Germany)
TNO (Netherlands)
Fabrizio Silvestri, TNO (Netherlands)
Giampiero Gerini, Technische Univ. Eindhoven (Netherlands)
TNO (Netherlands)


Published in SPIE Proceedings Vol. 11080:
Metamaterials, Metadevices, and Metasystems 2019
Nader Engheta; Mikhail A. Noginov; Nikolay I. Zheludev, Editor(s)

© SPIE. Terms of Use
Back to Top