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PENG Dunyun, SONG Lianke, LI Kaiting, GUO Wenjing. Measurement of birefringence of liquid crystal with polarized light interference method[J]. LASER TECHNOLOGY, 2014, 38(3): 422-424. DOI: 10.7510/jgjs.issn.1001-3806.2014.03.030
Citation: PENG Dunyun, SONG Lianke, LI Kaiting, GUO Wenjing. Measurement of birefringence of liquid crystal with polarized light interference method[J]. LASER TECHNOLOGY, 2014, 38(3): 422-424. DOI: 10.7510/jgjs.issn.1001-3806.2014.03.030
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Measurement of birefringence of liquid crystal with polarized light interference method

  • 1.

    Shandong Provincial Key Laboratory of Laser Polarization and Information Technology, Qufu 273165, China;

  • 2.

    Institute of Laser Research, Qufu Normal University, Qufu 273165, China

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  • Received Date: June 22, 2013
  • Revised Date: August 02, 2013
  • Published Date: May 24, 2014
    Graphical Abstract
    • Abstract
  • In order to measure the liquid crystal birefringence,a simple and accurate method called polarization interferometry was used from the theoretical formula of polarized light interference and by making a certain approximation. More satisfactory data were achieved by theoretically analysis and experimental verification. The results show the use of polarized light interferometry to measure the liquid crystal material avoids the measurement of the absolute intensity of transmission spectrum, and has high accuracy. It is helpful for the design, manufacture and application of liquid crystal device.
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    • References (11)
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