2014
DOI: 10.1364/ao.53.002773
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Conoscopic analysis of electric field driven planar aligned nematic liquid crystal

Abstract: This paper illustrates the conoscopic observation of a molecular reconstruction occurring across a nematic liquid crystal (NLC) medium in the presence of an external electric field. Conoscopy is an optical interferometric method, employed to determine the orientation of an optic axis in uniaxial crystals. Here a planar aligned NLC medium is used, and the topological changes with respect to various applied voltages are monitored simultaneously. Homogenous planar alignment is obtained by providing suitable surfa… Show more

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Cited by 5 publications
(3 citation statements)
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“…Investigation on behaviors of liquid crystal under external fields has been reported for the past decades, such as electric field [124,[215][216][217], temperature field [200,201,211] and shear flow at normal scale [218]. called calamities which has a rod-like molecular structure [120].…”
Section: Introductionmentioning
confidence: 99%
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“…Investigation on behaviors of liquid crystal under external fields has been reported for the past decades, such as electric field [124,[215][216][217], temperature field [200,201,211] and shear flow at normal scale [218]. called calamities which has a rod-like molecular structure [120].…”
Section: Introductionmentioning
confidence: 99%
“…The rod-like molecular structural become observable illuminated by polarized light as it is in nematic phase. Most of the literatures have been focusing on the its' dynamic behavior under electric field [124,[215][216][217]219]. Very few works have been done to study the reorientation under hydrodynamic pressure gradient at micro scale [212].…”
Section: Introductionmentioning
confidence: 99%
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