Imaging of surface plasmon and ultrafast dynamics in gold nanorods by near-field microscopy

Kohei Imura, Tetsuhiko Nagahara, Hiromi Okamoto*

*この研究の対応する著者

研究成果: Article査読

96 被引用数 (Scopus)

抄録

We investigated the near-field optical properties of single gold nanorods. Transmission images observed near the surface plasmon resonances agree qualitatively with the calculated maps of the optical local density of states and are reflected by spatial characteristics of plasmon wave functions. Ultrafast temporal responses have been observed by combining near-field microscopy with a time-resolved technique. It has been found that the behavior of the collective motion of electrons in the center of the rod is different from that in both ends.

本文言語English
ページ(範囲)16344-16347
ページ数4
ジャーナルJournal of Physical Chemistry B
108
42
DOI
出版ステータスPublished - 2004 10月 21
外部発表はい

ASJC Scopus subject areas

  • 物理化学および理論化学
  • 表面、皮膜および薄膜
  • 材料化学

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