Calculation of confocal microscope images of cholesteric blue phases

Jun-ichi Fukuda; Yasushi Okumura; Hirotsugu Kikuchi

doi:10.1117/12.2209210

7 March 2016 Calculation of confocal microscope images of cholesteric blue phases

Jun-ichi Fukuda, Yasushi Okumura, Hirotsugu Kikuchi

Author Affiliations +

Proceedings Volume 9769, Emerging Liquid Crystal Technologies XI; 976906 (2016) https://doi.org/10.1117/12.2209210
Event: SPIE OPTO, 2016, San Francisco, California, United States

Abstract

Real-space images of bulk cholesteric blue phases (BPs) have been successfully obtained by confocal microscopy observations using structural color without doping fluorescent dye. However, theoretical interpretation of these images (for example, the understanding of the relation between intensity distribution and the ordering of BPs) remains challenging because typical lattice spacing of BPs is of the order of the wavelength of visible light, and therefore geometrical optics is entirely useless. In this work, we present a numerical approach to calculate the confocal images of BPs by solving the Maxwell equations. Calculated confocal images are consistent with experimental observations in terms of in-plane symmetry.

Citation Download Citation

Jun-ichi Fukuda, Yasushi Okumura, and Hirotsugu Kikuchi "Calculation of confocal microscope images of cholesteric blue phases", Proc. SPIE 9769, Emerging Liquid Crystal Technologies XI, 976906 (7 March 2016); https://doi.org/10.1117/12.2209210

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