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Optics Letters

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  • Vol. 36, Iss. 19 — Oct. 1, 2011
  • pp: 3864–3866

Optical switch of diffractive light from a BCT photonic crystal based on HPDLC doped with azo component

Ming Shian Li, Andy Ying-Guey Fuh, and Shing-Trong Wu  »View Author Affiliations


Optics Letters, Vol. 36, Issue 19, pp. 3864-3866 (2011)
http://dx.doi.org/10.1364/OL.36.003864


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Abstract

This study demonstrates an optical switch of the diffractive light from a body-centered tetragonal photonic crystal based on holographic polymer-dispersed liquid crystals that are fabricated using two-beam interference with multiple exposures. The liquid crystal-rich regions form the lattice points of the PC, which contains a liquid crystal/ azo—dye mixture. The concentration of the cis isomer changes under laser light exposure; this change, in turn, modulates the effective index of the LCs, and then switches diffractive light.

© 2011 Optical Society of America

OCIS Codes
(160.3710) Materials : Liquid crystals
(160.5470) Materials : Polymers
(050.5298) Diffraction and gratings : Photonic crystals

ToC Category:
Materials

History
Original Manuscript: June 22, 2011
Revised Manuscript: August 22, 2011
Manuscript Accepted: August 31, 2011
Published: September 26, 2011

Citation
Ming Shian Li, Andy Ying-Guey Fuh, and Shing-Trong Wu, "Optical switch of diffractive light from a BCT photonic crystal based on HPDLC doped with azo component," Opt. Lett. 36, 3864-3866 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-19-3864


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