Imaging experiments of biosamples by a photon scanning tunneling microscope with an apertured probe

Masayuki Naya; Shuji Mononobe; Rajagopalan Uma Maheswari; Toshiharu Saiki; Motoichi Ohtsu

doi:10.1117/12.205936

30 March 1995 Imaging experiments of biosamples by a photon scanning tunneling microscope with an apertured probe

Masayuki Naya, Shuji Mononobe, Rajagopalan Uma Maheswari, Toshiharu Saiki, Motoichi Ohtsu

Proceedings Volume 2384, Scanning Probe Microscopies III; (1995) https://doi.org/10.1117/12.205936
Event: Photonics West '95, 1995, San Jose, CA, United States

Abstract

In this presentation, we describe about the high resolution imaging of flagellar filaments of a salmonella with a diameter of 25 nm by a photon scanning tunneling microscope (PSTM). In our PSTM system, we have used a metal coated fiber probe with a nanometric dielectric protrusion fabricated by indigenous technique developed by us. By using this probe, flagellar filaments could be imaged as having a full width at half maximum of 50 nm. Obtained images strongly depended on the separation of the sample and to the probe, and the diameter of the aperture polarization of the irradiated light.

Citation Download Citation

Masayuki Naya, Shuji Mononobe, Rajagopalan Uma Maheswari, Toshiharu Saiki, and Motoichi Ohtsu "Imaging experiments of biosamples by a photon scanning tunneling microscope with an apertured probe", Proc. SPIE 2384, Scanning Probe Microscopies III, (30 March 1995); https://doi.org/10.1117/12.205936

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