Application of retardation-modulation polarimetry in studies of nanocomposite materials
Andriy V. Kityk, Patrick Huber, Anatoliy Andrushchak, Przemys{\l}aw, Kula, Wiktor Piecek
TL;DR
This paper demonstrates how retardation-modulation polarimetry can be used to study molecular ordering and chiral structuring in nanocomposite materials, specifically liquid crystals within nanochannels.
Contribution
It introduces a novel application of polarimetry for analyzing molecular and chiral structures in nanocomposites with high spatial resolution.
Findings
Simultaneous measurement of birefringence and optical activity.
Effective characterization of molecular ordering in nanochannels.
Application to both nonchiral and chiral liquid crystals.
Abstract
We demonstrate an application of retardation-modulation polarimetry in studies of nanocomposite materials. Molecular ordering is explored on both nonchiral and chiral liquid crystals (LCs) in the bulk state and embedded into parallel-arrays of cylindrical channels of alumina or silica membranes of different channel sizes (12-42 nm). Two arms polarimetry serves for simultaneous measurements of the birefringence retardation and optical activity characterizing, respectively, orientational molecular ordering and chiral structuring inside nanochannels.
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