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Conoscopic observation of director reorientation during Poiseuille flow of a nematic liquid crystal
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10.1063/1.3251792
/content/aip/journal/apl/95/17/10.1063/1.3251792
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/17/10.1063/1.3251792
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) A schematic diagram representing the difference in velocity distribution of shear flow (left image) and pressure driven flow (right image). (b) Definition of two polar angles that define director orientation. A rotation in the shear plane is characterized by an azimuthal (twist), and a rotation out of the shear plane denoted by a zenithal (tilt).

Image of FIG. 2.
FIG. 2.

Schematic diagram of laser conoscope (see Ref. 15).

Image of FIG. 3.
FIG. 3.

Schematic diagram of pressure driven flow cell designed and constructed.

Image of FIG. 4.
FIG. 4.

Measured (symbols) and modeled (solid line) angle of conoscopic interference figure rotation for 5CB aligned homogeneously at to the direction of pressure driven flow. Dashed and dotted lines show modeled conoscopic figure rotation for ±10% variations in .

Image of FIG. 5.
FIG. 5.

Captured (left column) and modeled (right column) conoscopic interference figures for 5CB aligned homogeneously at to the direction of pressure driven flows.

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/content/aip/journal/apl/95/17/10.1063/1.3251792
2009-10-30
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Conoscopic observation of director reorientation during Poiseuille flow of a nematic liquid crystal
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/17/10.1063/1.3251792
10.1063/1.3251792
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