Field-Realigned Nematic-Liquid-Crystal Optical Waveguides

Chen-Ming Hu, John R. Whinnery

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


An external electric field exerts volume torque on the nematic liquid crystal due to the anisotropic molecular polarizability and tends to reorient the molecular axes. Phase-velocity tuning in these materials is thus possible. Eigenmodes of thin-film liquid-crystal waveguides are analyzed by a numerical method. A three-layer model of the waveguides is found to be in good agreement with the measured data, thus providing a simplified model for conceptual thinking as well as for computation.

Original languageEnglish
Pages (from-to)556-562
Number of pages7
JournalIEEE Journal of Quantum Electronics
Issue number7
StatePublished - 1 Jan 1974


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