40.3: Effect of Birefringent Alignment Layer on Azimuthal Anchoring Energy Measurement

Birefringent alignment layer contributes to the optics of the liquid crystal cell, which is significant for optical method of azimuthal anchoring energy measurement. We obtained analytical equation to compute the corrected value of liquid crystal twist angle subject to alignment layer retardation. T...

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Bibliographic Details
Published inSID International Symposium Digest of technical papers Vol. 52; no. S2; pp. 497 - 499
Main Authors Muravsky, Alexander, Murauski, Anatoli
Format Journal Article
LanguageEnglish
Published Campbell Wiley Subscription Services, Inc 01.08.2021
Subjects
Alignment
Azimuthal anchoring energy
Energy measurement
liquid crystal alignment
Liquid crystals
photoalignment
retardation
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Summary:Birefringent alignment layer contributes to the optics of the liquid crystal cell, which is significant for optical method of azimuthal anchoring energy measurement. We obtained analytical equation to compute the corrected value of liquid crystal twist angle subject to alignment layer retardation. The data on azimuthal anchoring energy measurements of AtA‐2 and AtA‐0042 azo‐dye photoalignment materials are obtained: above >10−4J/m2 within the wide range of exposure doses 0.04 – 5.12 J/cm2.
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ISSN:0097-966X
2168-0159
DOI:10.1002/sdtp.15176