Imaging of biological samples by a collection-mode photon scanning tunneling microscope with an apertured probe

Masayuki Naya, Shuji Mononobe, R. Uma Maheswari, Tosiharu Saiki, Motoichi Ohtsu

研究成果: Article査読

29 被引用数 (Scopus)

抄録

We report on high resolution imaging by a collection-mode photon scanning tunneling microscope (c-mode PSTM). In our PSTM system, we have used a novel probe with a nanometric protrusion formed from a metal coated sharpened fiber. By using this probe, flagellar filaments of salmonella of diameter 25 nm could be imaged to have a full width at half maximum of 50 nm. Obtained images strongly depended on the separation of the sample to the probe, the diameter of the aperture, and polarization of the irradiated light. Comments on the origins of these dependencies are given.

本文言語English
ページ(範囲)9-15
ページ数7
ジャーナルOptics Communications
124
1-2
DOI
出版ステータスPublished - 1996 2月 15
外部発表はい

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 原子分子物理学および光学
  • 物理化学および理論化学
  • 電子工学および電気工学

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