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Proceedings Paper

Analysis of a nano-particle rotation using a plasmonic trimer nano-structure
Author(s): Shutaro Ishida; Kota Sudo; Keiji Sasaki
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Paper Abstract

In this paper, we have demonstrated a nano-particle rotation above a plasmonic gold trimer nano-structure with a nanogap. We designed the plasmonic trimer nano-structure which has a resonant frequency matched to excitation and made it with electron beam lithography with metal lift-off process. At first, with an actively rotating linearly polarized beam excitation, we have realized a rotational motion of a trapped nano-particle synchronized to a polarization of beam. Next, we observed a nano-particle rotation using a circularly polarized beam. From the auto-correlation of position time trace with sinusoidal fitting, we confirmed a faster rotation of nano-particle than that of an actively rotating linearly polarized beam.

Paper Details

Date Published: 18 April 2017
PDF: 2 pages
Proc. SPIE 10252, Optical Manipulation Conference, 1025210 (18 April 2017); doi: 10.1117/12.2275410
Show Author Affiliations
Shutaro Ishida, Hokkaido Univ. (Japan)
Kota Sudo, Hokkaido Univ. (Japan)
Keiji Sasaki, Hokkaido Univ. (Japan)

Published in SPIE Proceedings Vol. 10252:
Optical Manipulation Conference
Takashige Omatsu, Editor(s)

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