A study of magnetism controlled polarization of liquid crystal

Guang Jun Ren, Jian Quan Yao, Guo Hua Li, Peng Wang

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


The polarized light interference method is employed to measure the birefringence of liquid crystal. The transmission of nematic liquid crystal magnetism-dependent are tested by using JG-3 type continuous tunable magnetism device in room temperature 20°C. When the angle among liquid crystal cell optical axis and polarizer and polarization analyzer is 45°, the transmission light intensity is respectively tested under parallel and uprightness of polarizer and polarization analyzer. The method of mathematic function fitting is employed to obtain the rule of liquid crystal birefringence magnetism-dependent, the theory very agree with practice. After analyzing the experimental result, magnetism controlled birefringence of liquid crystal is obtained. The obtained result is useful for the design and manufacturing, application of liquid crystal device.

Original languageEnglish
Pages (from-to)152-155
Number of pages4
JournalGuangzi Xuebao/Acta Photonica Sinica
Issue number1
StatePublished - Jan 2007
Externally publishedYes


  • Birefringence
  • Liquid crystal
  • Magnetism controlled
  • Polarization


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