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Optics Letters

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  • Vol. 27, Iss. 3 — Feb. 1, 2002
  • pp: 182–184

Holographic Bragg gratings in a photoresponsive cross-linked polymer–liquid-crystal composite

Naoki Yoshimoto, Shin’ya Morino, Masaru Nakagawa, and Kunihiro Ichimura  »View Author Affiliations


Optics Letters, Vol. 27, Issue 3, pp. 182-184 (2002)
http://dx.doi.org/10.1364/OL.27.000182


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Abstract

Holographic gratings were in a composite material that comprised a cross-linked polymer with azobenzene side chains and a nematic liquid crystal. Holographic recording was based on the photoinduced alignment of the nematic liquid crystal inside a cell as a result of amplification of the photoreorientation of azobenzene residues. The diffraction efficiency depends on cell thickness and reading angle of the gratings, so this composite material exhibits volume holographic properties with Bragg diffraction.

© 2002 Optical Society of America

OCIS Codes
(090.2900) Holography : Optical storage materials
(090.7330) Holography : Volume gratings
(160.2900) Materials : Optical storage materials
(160.3710) Materials : Liquid crystals
(160.5470) Materials : Polymers
(210.2860) Optical data storage : Holographic and volume memories

Citation
Naoki Yoshimoto, Shin’ya Morino, Masaru Nakagawa, and Kunihiro Ichimura, "Holographic Bragg gratings in a photoresponsive cross-linked polymer–liquid-crystal composite," Opt. Lett. 27, 182-184 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-3-182


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