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Proceedings Paper

Polarization-selective Bragg diffractive wavelengths in holographic structures composed of liquid crystal and polymer phases
Author(s): Hiroshi Kakiuchida; Kazuki Yoshimura; Masato Tazawa; Akifumi Ogiwara
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Paper Abstract

Compact and easy-manufacturable wavelength selectors are desired for various types of optical equipments. Our optical wavelength selectors, which possess holographic structure consisting of liquid crystal (LC) and polymer phases, or socalled holographic polymer dispersed liquid crystals (HPDLCs), are switchable in Bragg diffraction wavelength due to polarization states. In the HPDLCs, LC submicrometer droplets are spatially periodically dispersed in polymer matrix with highly-orientational order of LC molecules in the droplets. Such structure is not difficult to be fabricated, that is, it is formed by photo-polymerization and consequent phase separation due to interferometric exposure. Furthermore, the orientation of LC is self-organized during the phase separation process.

Paper Details

Date Published: 19 February 2014
PDF: 6 pages
Proc. SPIE 9004, Emerging Liquid Crystal Technologies IX, 90040K (19 February 2014); doi: 10.1117/12.2041002
Show Author Affiliations
Hiroshi Kakiuchida, National Institute of Advanced Industrial Science and Technology (Japan)
Kazuki Yoshimura, National Institute of Advanced Industrial Science and Technology (Japan)
Masato Tazawa, National Institute of Advanced Industrial Science and Technology (Japan)
Akifumi Ogiwara, Kobe City College of Technology (Japan)

Published in SPIE Proceedings Vol. 9004:
Emerging Liquid Crystal Technologies IX
Liang-Chy Chien; Antonio M. Figueiredo Neto; Kristiaan Neyts; Masanori Ozaki, Editor(s)

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