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Optics Letters

Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 38, Iss. 17 — Sep. 1, 2013
  • pp: 3380–3383

Finite-difference time-domain analysis of cholesteric blue phase II using the Landau–de Gennes tensor order parameter model

Yasuhiro Ogawa, Jun-ichi Fukuda, Hiroyuki Yoshida, and Masanori Ozaki  »View Author Affiliations


Optics Letters, Vol. 38, Issue 17, pp. 3380-3383 (2013)
http://dx.doi.org/10.1364/OL.38.003380


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Abstract

We numerically calculated the photonic band structure of a cholesteric blue phase II (BPII) liquid crystal using two models, the tensor order parameter model and the double-twist cylinder (DTC) model. The tensor order parameter model was derived numerically from the Landau–de Gennes theory, whereas the DTC model simply assumed a three-dimensional stack of ordered cylinders. The two models yielded similar photonic band structures; however, the polarization dependence of the transmission spectrum through the (100) direction in BPII was different. The results from the tensor order parameter model gave a better qualitative agreement with experiments on the transmission spectrum. This demonstrates the importance of a precise orientation model in the analysis of the optical properties of cholesteric blue phases.

© 2013 Optical Society of America

OCIS Codes
(160.3710) Materials : Liquid crystals
(160.5293) Materials : Photonic bandgap materials

ToC Category:
Materials

History
Original Manuscript: May 28, 2013
Revised Manuscript: July 9, 2013
Manuscript Accepted: August 1, 2013
Published: August 26, 2013

Citation
Yasuhiro Ogawa, Jun-ichi Fukuda, Hiroyuki Yoshida, and Masanori Ozaki, "Finite-difference time-domain analysis of cholesteric blue phase II using the Landau–de Gennes tensor order parameter model," Opt. Lett. 38, 3380-3383 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-17-3380

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