Numerical calculation of Kossel diagrams of cholesteric blue phases

Jun-ichi Fukuda; Yasushi Okumura; Hirotsugu Kikuchi

doi:10.1117/12.2286290

8 February 2018 Numerical calculation of Kossel diagrams of cholesteric blue phases

Jun-ichi Fukuda, Yasushi Okumura, Hirotsugu Kikuchi

Proceedings Volume 10555, Emerging Liquid Crystal Technologies XIII; 105550A (2018) https://doi.org/10.1117/12.2286290
Event: SPIE OPTO, 2018, San Francisco, California, United States

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.

Citation Download Citation

Jun-ichi Fukuda, Yasushi Okumura, and Hirotsugu Kikuchi "Numerical calculation of Kossel diagrams of cholesteric blue phases", Proc. SPIE 10555, Emerging Liquid Crystal Technologies XIII, 105550A (8 February 2018); https://doi.org/10.1117/12.2286290

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