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Achromatic twisted nematic liquid crystal polarization switch with a compensated film

  • University of Electronic Science and Technology of China

Research output: Contribution to journalArticlepeer-review

Abstract

A broadband polarization switch consisting of an active twisted nematic liquid crystal cell and two passive uniaxial compensation films is proposed. The conjugate gradient method was used for optimizing the device parameters. Simulation results indicate that the polarization switch exhibits a broad bandwidth with 400~700 nm, high contrast ratio and fast response time with 20~30 ms.

Original languageEnglish
Pages (from-to)357-360
Number of pages4
JournalGuangzi Xuebao/Acta Photonica Sinica
Volume34
Issue number3
StatePublished - Mar 2005
Externally publishedYes

Keywords

  • Conjugate gradient method
  • Jones matrix
  • Polarization switch
  • Twisted liquid crystal
  • Uniaxial compensation film

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