Nonoptically probing near-field microscopy for the observation of biological living specimens

Yoshimasa Kawata; Manabu Murakami; Chikara Egami; Okihiro Sugihara; Naomichi Okamoto; Masaaki Tsuchimori; Osamu Watanabe; Osamu Nakamura

doi:10.1063/1.1350965

Nonoptically probing near-field microscopy for the observation of biological living specimens

Yoshimasa Kawata, Manabu Murakami, Chikara Egami, Okihiro Sugihara, Naomichi Okamoto, Masaaki Tsuchimori, Osamu Watanabe, Osamu Nakamura

Institute of Multidisciplinary Research for Advanced Materials (IMRAM)

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12 Citations (Scopus)

Abstract

We present the observation of living specimens with subwavelength resolution by using the nonoptically probing near-field microscopy we have developed recently. In the near-field microscope, the optical field distributions near the specimens are recorded as the surface topography of a photosensitive film, and the topographical distributions are readout with an atomic-force microscopy. Since the near-field microscope does not require the scanning of a probe tip for illumination or detection or scattering of light, it is possible to observe moving biological specimens and fast phenomena. We demonstrate the observation of a moving paramecium and euglena gracilis with subwavelength resolution. The observation of the nucleus inside a euglena cell was also demonstrated.

Original language	English
Pages (from-to)	2247-2249
Number of pages	3
Journal	Applied Physics Letters
Volume	78
Issue number	15
DOIs	https://doi.org/10.1063/1.1350965
Publication status	Published - 2001 Apr 9

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.1350965

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Nonoptically probing near-field microscopy for the observation of biological living specimens. / Kawata, Yoshimasa; Murakami, Manabu; Egami, Chikara; Sugihara, Okihiro; Okamoto, Naomichi; Tsuchimori, Masaaki; Watanabe, Osamu; Nakamura, Osamu.

In: Applied Physics Letters, Vol. 78, No. 15, 09.04.2001, p. 2247-2249.

Research output: Contribution to journal › Article › peer-review

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AU - Okamoto, Naomichi

AU - Tsuchimori, Masaaki

AU - Watanabe, Osamu

AU - Nakamura, Osamu

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Nonoptically probing near-field microscopy for the observation of biological living specimens

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