Tip-enhanced near-field CARS microscopy

被引：4

作者：

Kawata, S ^{[1
]}

Ichimura, T

Hayazawa, N

Inouye, Y

Hashimoto, M

机构：

[1] Osaka Univ, Dept Appl Phys, Suita, Osaka 5650871, Japan

[2] RIKEN, Wako, Saitama 3510198, Japan

[3] Osaka Univ, Grad Sch Frontier Biosci, Suita, Osaka 5650871, Japan

[4] Osaka Univ, Dept Mech Engn & Bioengn, Toyonaka, Osaka 5608531, Japan

来源：

JOURNAL OF NONLINEAR OPTICAL PHYSICS & MATERIALS | 2004年 / 13卷 / 3-4期

关键词：

coherent anti-Stokes Raman scattering (CARS); nonlinear; near-field; plasmon polariton; field enhancement;

D O I：

10.1142/S0218863504002341

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We apply the field enhancement effect due to plasmon polariton excitation on a metallic nanostructure in order to improve the diffraction limited spatial resolution of coherent anti-Stokes Raman scattering (CARS) microscopy. A cantilever probe tip coated with a 25 nm-thick gold film is utilized as a near-field light source to locally excite the CARS polarizations near the tip. Our CARS microscope has effectively enhanced the CARS signals and realized vibrational imaging of single-wall carbon nanotubes (SWNTs) beyond the spatial resolution of far-field CARS microscopy.

引用

页码：593 / 599

页数：7

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