Optical polarizer made of mechanically aligned carbon nanotubes

Satoru Shoji; Hidemasa Suzuki; Remo Proietti Zaccaria; Zouheir Sekkat; Satoshi Kawata

doi:10.1117/12.735468

11 September 2007 Optical polarizer made of mechanically aligned carbon nanotubes

Satoru Shoji, Hidemasa Suzuki, Remo Proietti Zaccaria, Zouheir Sekkat, Satoshi Kawata

Proceedings Volume 6645, Nanoengineering: Fabrication, Properties, Optics, and Devices IV; 664516 (2007) https://doi.org/10.1117/12.735468
Event: NanoScience + Engineering, 2007, San Diego, California, United States

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.

Citation Download Citation

Satoru Shoji, Hidemasa Suzuki, Remo Proietti Zaccaria, Zouheir Sekkat, and Satoshi Kawata "Optical polarizer made of mechanically aligned carbon nanotubes", Proc. SPIE 6645, Nanoengineering: Fabrication, Properties, Optics, and Devices IV, 664516 (11 September 2007); https://doi.org/10.1117/12.735468

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