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Numerical calculation of Kossel diagrams of cholesteric blue phases
Author(s): Jun-ichi Fukuda; Yasushi Okumura; Hirotsugu Kikuchi
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Paper Abstract

Kossel diagrams visualize the directions of strong Bragg reflections from a specimen with periodic ordering. They have played a pivotal role in the determination of the symmetry of cholesteric blue phases, and in the investigation of their structural changes under an electric field. In this work, we present direct numerical calculations of the Kossel diagrams of cholesteric blue phases by solving the Maxwell equations for the transmission and reflection of light incident upon a finite-thickness blue phase cell. Calculated Kossel diagrams are in good agreement with what is expected as a result of Bragg reflections, although some differences are present.

Paper Details

Date Published: 8 February 2018
PDF: 6 pages
Proc. SPIE 10555, Emerging Liquid Crystal Technologies XIII, 105550A (8 February 2018); doi: 10.1117/12.2286290
Show Author Affiliations
Jun-ichi Fukuda, Kyushu Univ. (Japan)
Yasushi Okumura, Kyushu Univ. (Japan)
Hirotsugu Kikuchi, Kyushu Univ. (Japan)

Published in SPIE Proceedings Vol. 10555:
Emerging Liquid Crystal Technologies XIII
Liang-Chy Chien, Editor(s)

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