Raman scattered photon transmission through a single nanoslit

被引：28

作者：

Chen, Chang ^{[1
,2
]}

Clemente, Francesca ^{[1
]}

Kox, Ronald ^{[1
,3
]}

Lagae, Liesbet ^{[1
,4
]}

Maes, Guido ^{[2
]}

Borghs, Gustaaf ^{[1
,4
]}

Van Dorpe, Pol ^{[1
,3
]}

机构：

[1] IMEC VZW, B-3001 Louvain, Belgium

[2] Katholieke Univ Leuven, Dept Chem, B-3001 Louvain, Belgium

[3] Katholieke Univ Leuven, Dept Elect Engn, B-3001 Louvain, Belgium

[4] Katholieke Univ Leuven, Dept Phys & Astron, B-3001 Louvain, Belgium

来源：

APPLIED PHYSICS LETTERS | 2010年 / 96卷 / 06期

关键词：

gold; light transmission; nanostructured materials; plasmonics; Raman spectra; silicon; surface plasmons; FLUORESCENCE; PLASMONS; LIGHT;

D O I：

10.1063/1.3309689

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We demonstrate excitation and detection of Raman scattering of a silicon substrate through a 15 nm gold nanoslit. Along with the nanoslit, a plasmonic cavity is fabricated to optimize optical transmission through the slit. Using a polarization analysis we prove that the plasmons enhanced transmission is responsible for the detection of the Raman scattered photons of the silicon substrate through the nanoslit. The optical cavity between the nanoslit and the Si substrate further enhances this backward photon transmission. This opens up prospects for new tools for near-field Raman spectroscopy and sub-wavelength measurements.

引用

页数：3

共 17 条

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