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Proceedings Paper

Spatial frequency response of nanocomposite holographic gratings
Author(s): Yasuo Tomita; Toshihiro Nakamura; Agyl F. Rizky; Ryota Fujii; Jinxin Guo
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Paper Abstract

We investigate the spatial frequency response of a volume grating recorded in a ZrO2 nanoparticle-dispersed nanocomposite. We experimentally find that there exists the optimum recording intensity to maximize the saturated refractive index modulation amplitude of a nanocomposite grating recorded at short and long grating spacing. A strong parametric relationship between grating spacing and recording intensity is seen and an increase in the saturated refractive index modulation amplitude at shorter grating spacing (< 0.5 μm)can be obtained by using higher recording intensities than those at longer grating spacing. Such a trend can be qualitatively explained by a phenomenological model used for holographic polymer-dispersed liquid crystal gratings. We also describe another method for the improvement of the high spatial frequency response by co-doping of thiol monomer that acts as a chain-transfer agent.

Paper Details

Date Published: 24 May 2018
PDF: 8 pages
Proc. SPIE 10679, Optics, Photonics, and Digital Technologies for Imaging Applications V, 106790U (24 May 2018); doi: 10.1117/12.2312427
Show Author Affiliations
Yasuo Tomita, The Univ. of Electro-Communications (Japan)
Toshihiro Nakamura, The Univ. of Electro-Communications (Japan)
Agyl F. Rizky, The Univ. of Electro-Communications (Japan)
Ryota Fujii, The Univ. of Electro-Communications (Japan)
Jinxin Guo, Beijing Univ. of Technology (China)

Published in SPIE Proceedings Vol. 10679:
Optics, Photonics, and Digital Technologies for Imaging Applications V
Peter Schelkens; Touradj Ebrahimi; Gabriel Cristóbal, Editor(s)

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