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學術出版;;Publications

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收集所有交通大學研究人員與學生個人或團體所發表之各項學術著作，涵蓋期刊論文、教師專書、學位論文等項。;;Collections of Publications of NCTU Researchers and Students Like Journal Papers and Thesis.

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🏛️國立陽明交通大學機構典藏

Access type: Metadata onlySubject: search.filters.subject.NEMATIC LIQUID CRYSTAL

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    DISCONTINUOUS RADIAL TO AXIAL TRANSFORMATION OF DIRECTOR CONFIGURATION IN A CYLINDRICAL NEMATIC CAVITY
    (1991-11-15)
    LIANG, BJ
    ;
    CHEN, SH
    ;
    交大名義發表
    ;
    電子物理學系
    ;
    National Chiao Tung University
    The optical patterns of a nematic liquid crystal confined to a closed cylindrical cavity are observed through crossed polarizers. This optical pattern exhibits an annular phenomenon when the radius of the cylinder is varied. The minor dependence of the width of the bright annulus on the radius of the cavity is presented. The formation of the disclination ring is numerically studied and found to be the physical mechanism of the annular phenomenon. The characteristic length defined as the distance from the ring defect to the laterally cylindrical boundary is nearly invariant and is characterized to be the width of the bright annulus.