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Volume 28 Issue 3
Sep.  2013
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Citation:
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Experimental study of electric-termo-optic effect of nematic liquid crystal

  • 1.

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

  • 2.

    Shanghai Institute of Optics and Fine Mechanics, the Chinese Academy of Sciences, Shanghai 201800, China

  • Received Date: 2003-07-03
    Accepted Date: 2003-09-16
  • The termo-optic effect of nematic liquid crystal(LC)(BL-009)is probed by studying the birefringence of LC as the temperature varies.The simple and precise polarized interference method is employed to measure the birefringence of the LC.The transmissivity of the LC is measured as temperature varies from 20℃ to 100℃,the wavelength of the incident light is 630nm,so electric control birefringence of the LC is obtained as temperature varies.After analysing the experimental data,it is found that the law of the falling of electric control birefringence is different when the applied voltage is different.The obtained result is favor of the design and manufacture,application of LC device.
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  • [1] 立花太郎.液晶知识[M].北京:科学普及出版社,1984.1.
    [2] 王素红,徐永安.液晶的电光特性[J].信息工程学院学报,1998,17(1):56～59.
    [3] 李国华.光学[M].济南:山东教育出版社,1990.6.
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    WU Sh T,EFRON U,HESS V L D.Birefringence measurements of liquid crystals[J].Appl Opt,1984,23(21):3911～3915.
    [5] 王宁,李国华.液晶电控双折射特性的研究[J].中国激光,2002,29(12):1064～1066.
    [6] 云茂金,李国华.电压调谐液晶滤光片的研究[J].光学学报,2002,22(9):1119～1122.
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  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Experimental study of electric-termo-optic effect of nematic liquid crystal

  • 1. Institute of Laser, Qufu Normal University, Qufu 273165, China;
  • 2. Shanghai Institute of Optics and Fine Mechanics, the Chinese Academy of Sciences, Shanghai 201800, China
  • Received Date: 2003-07-03
  • Accepted Date: 2003-09-16
  • Available Online: 2004-05-25

Abstract: The termo-optic effect of nematic liquid crystal(LC)(BL-009)is probed by studying the birefringence of LC as the temperature varies.The simple and precise polarized interference method is employed to measure the birefringence of the LC.The transmissivity of the LC is measured as temperature varies from 20℃ to 100℃,the wavelength of the incident light is 630nm,so electric control birefringence of the LC is obtained as temperature varies.After analysing the experimental data,it is found that the law of the falling of electric control birefringence is different when the applied voltage is different.The obtained result is favor of the design and manufacture,application of LC device.

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