Photoluminescence from gold nanoplates induced by near-field two-photon absorption

Kohei Imura*, Tetsuhiko Nagahara, Hiromi Okamoto

*この研究の対応する著者

研究成果: Article査読

69 被引用数 (Scopus)

抄録

We have investigated two-photon-induced photoluminescence (PL) properties of single gold nanoplates by using an apertured scanning near-field optical microscope. The nanoplates show PL much stronger than nanorods. The near-field PL images show characteristic spatial features, which depend on the incident polarization. These PL images are in good agreement with the calculated spatial distribution of the electric fields adjacent to the particles at the excitation wavelength. We attribute the observed images to spatial characteristics of plasmon modes.

本文言語English
論文番号023104
ページ(範囲)1-3
ページ数3
ジャーナルApplied Physics Letters
88
2
DOI
出版ステータスPublished - 2006
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(その他)

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