Direct optical holographic fabrication of photonic crystals in polymeric dispersed nematic and isotropic liquid crystals

Iam Choon Khoo; Yana Z. Williams; Kan X. Chen

doi:10.1117/12.563061

15 October 2004 Direct optical holographic fabrication of photonic crystals in polymeric dispersed nematic and isotropic liquid crystals

Iam Choon Khoo, Yana Z. Williams, Kan X. Chen

Author Affiliations +

Proceedings Volume 5518, Liquid Crystals VIII; (2004) https://doi.org/10.1117/12.563061
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

We have fabricated 1-, 2- and 3-D photonic crystalline structures in polymer dispersed nematic and isotropic phase liquid crystals. It is observed that a particular mixture of isotropic liquid crystals and the photo-polymer will also polymerize and phase separate, forming high quality optical gratings, just as typical nematic liquid crystals. Liquid crystal droplet sizes obtained could be as small as a few 10’s of nm, i.e., nano-droplets. The resultant structure exhibits excellent optical qualities, and high efficiency Bragg diffraction properties.

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Iam Choon Khoo, Yana Z. Williams, and Kan X. Chen "Direct optical holographic fabrication of photonic crystals in polymeric dispersed nematic and isotropic liquid crystals", Proc. SPIE 5518, Liquid Crystals VIII, (15 October 2004); https://doi.org/10.1117/12.563061

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