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Proceedings Paper

Spin Hall effect of light applied in optical linear scale
Author(s): Yasuhiro Mizutani; Kazunori Ueda; Yasuhiro Takaya
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Paper Abstract

We propose a linear scale of carbon nanotube (CNT) detected by the spin Hall effect of light (SHEL). The SHEL is a phenomena about a correlation between spin angular momentum and orbital angular momentum. When the light reflects on a surface of a dielectric surface, the SHEL gives a slightly position changing of the light about sub-10-nm scale and devides light to two polarized lights. On the other hand, CNT has giant circular dichroism. By re ection on a dielectric surface with the CNT, there is absorption for one of the lights generated by the SHEL and amount of the absorption depends on a position of the CNT. In this paper, we have measured the SHEL via weak measurement by detecting 2D distribution of lights. As a results, distance of two beams generated by the SHEL was about 80nm.

Paper Details

Date Published: 24 November 2016
PDF: 5 pages
Proc. SPIE 10023, Optical Metrology and Inspection for Industrial Applications IV, 100230N (24 November 2016); doi: 10.1117/12.2247667
Show Author Affiliations
Yasuhiro Mizutani, Osaka Univ. (Japan)
JST, ERATO MINOSHIMA Intelligent Optical Synthesizer Project (Japan)
Kazunori Ueda, Osaka Univ. (Japan)
Yasuhiro Takaya, Osaka Univ. (Japan)

Published in SPIE Proceedings Vol. 10023:
Optical Metrology and Inspection for Industrial Applications IV
Sen Han; Toru Yoshizawa; Song Zhang, Editor(s)

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