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Proceedings Paper

Photonic crystals, light manipulation, and imaging in complex nematic structures
Author(s): Miha Ravnik; Mitja Štimulak; Urban Mur; Miha Čančula; Simon Čopar; Slobodan Žumer
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Paper Abstract

Three selected approaches for manipulation of light by complex nematic colloidal and non-colloidal structures are presented using different own custom developed theoretical and modelling approaches. Photonic crystals bands of distorted cholesteric liquid crystal helix and of nematic colloidal opals are presented, also revealing distinct photonic modes and density of states. Light propagation along half-integer nematic disclinations is shown with changes in the light polarization of various winding numbers. As third, simulated light transmission polarization micrographs of nematic torons are shown, offering a new insight into the complex structure characterization. Finally, this work is a contribution towards using complex soft matter in optics and photonics for advanced light manipulation.

Paper Details

Date Published: 23 March 2016
PDF: 10 pages
Proc. SPIE 9769, Emerging Liquid Crystal Technologies XI, 97690B (23 March 2016); doi: 10.1117/12.2214550
Show Author Affiliations
Miha Ravnik, Univ. of Ljubljana (Slovenia)
Jožef Stefan Institute (Slovenia)
Mitja Štimulak, Univ. of Ljubljana (Slovenia)
Urban Mur, Univ. of Ljubljana (Slovenia)
Miha Čančula, Univ. of Ljubljana (Slovenia)
Simon Čopar, Univ. of Ljubljana (Slovenia)
Slobodan Žumer, Univ. of Ljubljana (Slovenia)
Jožef Stefan Institute (Slovenia)


Published in SPIE Proceedings Vol. 9769:
Emerging Liquid Crystal Technologies XI
Liang-Chy Chien; Dick J. Broer; Hirotsugu Kikuchi; Nelson V. Tabiryan, Editor(s)

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