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Optical method for measuring the azimuthal anchoring strength of liquid crystals using pitch values determined in imperfect samples

Journal Article · · Journal of Applied Physics
DOI:https://doi.org/10.1063/1.2781320· OSTI ID:21062080
; ; ;  [1]
  1. Department of Photonics and Institute of Electro-Optical Engineering, National Chiao Tung University, 1001 Ta Hsueh Rd., Hsinchu, Taiwan, 30010 (China)

An improved Grandjean-Cano wedge method for measuring the pitch of a chiral nematic liquid crystal is demonstrated. This method is easy to implement and can yield results of high accuracy when it is used for measuring the liquid crystal surface anchoring strength.

OSTI ID:
21062080
Journal Information:
Journal of Applied Physics, Journal Name: Journal of Applied Physics Journal Issue: 6 Vol. 102; ISSN JAPIAU; ISSN 0021-8979
Country of Publication:
United States
Language:
English

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