Bragg diffraction for normal and obliquely circularly polarized light due a new chiral mixture

P. Castro-Garay; J. Manzanares-Martinez; A. Corella-Madueño; A. Rosas-Burgos; Josue Lizola; Marielena Clark; Lillian Palma

doi:10.1117/12.2188749

5 September 2015 Bragg diffraction for normal and obliquely circularly polarized light due a new chiral mixture

P. Castro-Garay, J. Manzanares-Martinez, A. Corella-Madueño, A. Rosas-Burgos, Josue Lizola, Marielena Clark, Lillian Palma

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Proceedings Volume 9565, Liquid Crystals XIX; 95651B (2015) https://doi.org/10.1117/12.2188749
Event: SPIE Organic Photonics + Electronics, 2015, San Diego, California, United States

Abstract

We have found experimentally the transmittance of normal incident circularly polarized light due to new chiral mixture that was distorted by electric field. The chiral mixture was achieved by mixtures of two nematic liquid crystals (5OCB and 5CB) and S-1-bromo-2-methylbutane. We have found a regime of circular Bragg diffraction for certain values of concentrations and thickness. Optical diffraction phenomenon have received particular attention in research for optical and electro-optical applications, such as low –voltage modulators, reflective phase gratings and smart reflectors.

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P. Castro-Garay, J. Manzanares-Martinez, A. Corella-Madueño, A. Rosas-Burgos, Josue Lizola, Marielena Clark, and Lillian Palma "Bragg diffraction for normal and obliquely circularly polarized light due a new chiral mixture", Proc. SPIE 9565, Liquid Crystals XIX, 95651B (5 September 2015); https://doi.org/10.1117/12.2188749

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