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Multistable alignment states in nematic liquid crystal filled wells
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10.1063/1.2713140
/content/aip/journal/apl/90/11/10.1063/1.2713140
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/11/10.1063/1.2713140
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic diagram of the nematic liquid crystal device. The nematic liquid crystal is confined by a periodic series of wells in the plane.

Image of FIG. 2.
FIG. 2.

Alignment states observed in transmission between crossed polarizers under a magnification of . The polarizers are rotated by 0° (upper row), 10.5°, and 21.0° (lower row) relative to the device. The arrows in each case indicate the polarizer orientations. The wells were formed from squares with side of .

Image of FIG. 3.
FIG. 3.

(Color online) Alignment states, predicted by -tensor theory, which correspond to the same states observed in the experimental device in Fig. 2. The upper row shows the two-dimensional variation of the order parameter as a grayscale plot where white corresponds to and black to . The lower row shows the two-dimensional variation of the in-plane rotation angle of the nematic director.

Image of FIG. 4.
FIG. 4.

Optical textures produced from the modeled alignment states shown in Fig. 3 assuming that the transmission between crossed polarizers is given by the standard formula for a birefringent material (Ref. 24). The alignment states are shown with polarisers rotated by 0° (upper row), 10.5°, and 21.0° (lower row) relative to the device.

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/content/aip/journal/apl/90/11/10.1063/1.2713140
2007-03-16
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Multistable alignment states in nematic liquid crystal filled wells
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/11/10.1063/1.2713140
10.1063/1.2713140
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