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Publication Detail
Characterisation and Applications of Nematic Liquid Crystals in Microwave Devices
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Article
  • Authors:
    James R, Fernandez FA, Day SE, Bulja S, Mirshekar-Syahkal D
  • Publisher:
    TAYLOR & FRANCIS LTD
  • Publication date:
    2011
  • Pagination:
    196, 203
  • Journal:
    MOL CRYST LIQ CRYST
  • Volume:
    542
  • Print ISSN:
    1542-1406
  • PII:
    938657881
  • Language:
    EN
  • Keywords:
    Dielectric properties, electromagnetic modelling, liquid crystal, microstrip, microwave, WAVE-GUIDE, LINE
  • Addresses:
    James, R
    Univ Ghent
    B-9000
    Ghent
    Belgium
Abstract
A method to characterise the dielectric properties of liquid crystal materials at microwave frequencies is presented that utilises a microstrip line with a layer of liquid crystal as a substrate. Accurate modelling of the liquid crystal and microwave fields is used to determine the dielectric properties of the liquid crystal from experimental measurements. The method is applied to a number of liquid crystal materials.
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