Detection of phase transitions from the study of whispering gallery mode resonance in liquid crystal droplets

dc.contributor.author Kumar, T. Arun
dc.contributor.author Mohiddon, M. A.
dc.contributor.author Dutta, N.
dc.contributor.author Viswanathan, Nirmal K.
dc.contributor.author Dhara, Surajit
dc.date.accessioned 2022-03-27T11:31:30Z
dc.date.available 2022-03-27T11:31:30Z
dc.date.issued 2015-02-02
dc.description.abstract We report studies on the whispering gallery mode (WGM) resonance of liquid crystal (LC) droplets across the smectic-A (SmA) to nematic phase transition. The quality factor (Q) in the SmA phase decreases rapidly with a characteristic slope change at the SmA-N transition. In the SmA phase, Q-factor is linearly proportional to the birefringence (Δn). We discuss the effect of topological defect transformation on the WGM resonance. The study of WGM resonance is expected to be very useful for detecting subtle phase transitions among LC mesophases.
dc.identifier.citation Applied Physics Letters. v.106(5)
dc.identifier.issn 00036951
dc.identifier.uri 10.1063/1.4906615
dc.identifier.uri http://aip.scitation.org/doi/10.1063/1.4906615
dc.identifier.uri https://dspace.uohyd.ac.in/handle/1/13796
dc.title Detection of phase transitions from the study of whispering gallery mode resonance in liquid crystal droplets
dc.type Journal. Article
dspace.entity.type
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