Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/98624
Title: Conoscopic analysis of electric field driven planar aligned nematic liquid crystal
Authors: Ranjini, Radhakrishnan
Matham, Murukeshan Vadakke
Nguyen, Nam-Trung
Keywords: DRNTU::Engineering
Issue Date: 2014
Source: Ranjini, R., Matham, M. V., & Nguyen, N.-T. (2014). Conoscopic analysis of electric field driven planar aligned nematic liquid crystal. Applied Optics, 53(13), 2773-2776.
Series/Report no.: Applied optics
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 surface treatments to the ITO coated cell walls. The variation in the conoscopic interferometric patterns clearly demonstrates the transition from planar to homeotropic state through various intermediate states.
URI: https://hdl.handle.net/10356/98624
http://hdl.handle.net/10220/19618
DOI: 10.1364/AO.53.002773
Rights: © 2014 Optical Society of America. This paper was published in Applied Optics and is made available as an electronic reprint (preprint) with permission of Optical Society of America. The paper can be found at the following official DOI: [http://dx.doi.org/10.1364/AO.53.002773].  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Journal Articles

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