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Electrogyration effect in a chiral bent-core molecular system

Title
Electrogyration effect in a chiral bent-core molecular system
Authors
Araoka F.Takanishi Y.Takezoe H.Kim A.Park B.Wu J.W.
Ewha Authors
우정원
SCOPUS Author ID
우정원scopus
Issue Date
2003
Journal Title
Journal of the Optical Society of America B: Optical Physics
ISSN
0740-3224JCR Link
Citation
vol. 20, no. 2, pp. 314 - 320
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
The linear electrogyration effect is observed in the crystallike B4 phase of a mixture of chiral and achiral bent-core mesogens. A large birefringent monodomain with a single sense of chirality was selected for experiment. Upon application of a modulating electric field to the sample cell, a strong modulation of refractive index was observed. Analysis showed that both the linear electro-optic and the linear electrogyration effect are responsible for the index modulation with the latter being dominant. The effective electro-optic coefficient was measured to be reff = 21.6 pm/V at 488 nm. © 2003 Optical Society of America.
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자연과학대학 > 물리학전공 > Journal papers
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