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Proceedings Paper

Optical polarizer made of mechanically aligned carbon nanotubes
Author(s): Satoru Shoji; Hidemasa Suzuki; Remo Proietti Zaccaria; Zouheir Sekkat; Satoshi Kawata
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Paper Abstract

We report optical polarizer made of single-wall carbon nanotubes/poly(vinyl alcohol) composite. The film of the composite was mechanically stretched to form uniaxial alignment of carbon nanotubes in the polymer matrix. In order to obtain well-aligned carbon nanotubes efficiently, we used single-wall carbon nanotubes shortened into the length of less than 200 nm. Thanks to π plasmon-originated broad absorption spectrum and strong anisotropy of single-wall carbon nanotubes, the film exhibits the degree of polarization of ~ 95 % with keeping flat transmittance through spectral region from 350 nm to 800 nm. We also observed enhancement of the degree of polarization at the wavelengths of van Hove singularities.

Paper Details

Date Published: 11 September 2007
PDF: 7 pages
Proc. SPIE 6645, Nanoengineering: Fabrication, Properties, Optics, and Devices IV, 664516 (11 September 2007); doi: 10.1117/12.735468
Show Author Affiliations
Satoru Shoji, Osaka Univ. (Japan)
CREST, Japan Corp. of Science and Technology (Japan)
Hidemasa Suzuki, Osaka Univ. (Japan)
Remo Proietti Zaccaria, Osaka Univ. (Japan)
CREST, Japan Corp. of Science and Technology (Japan)
Zouheir Sekkat, Osaka Univ. (Japan)
Al Akhawayn Univ. in Ifrane (Morocco)
Academy Hassan II of Science and Technology (Morocco)
Satoshi Kawata, Osaka Univ. (Japan)
RIKEN (Japan)
CREST, Japan Corp. of Science and Technology (Japan)


Published in SPIE Proceedings Vol. 6645:
Nanoengineering: Fabrication, Properties, Optics, and Devices IV
Elizabeth A. Dobisz; Louay A. Eldada, Editor(s)

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