Voltage Sensor with wide Frequency Range using Deformed Helix Ferroelectric Liquid Crystal


  • Qi Guo
  • Z. Brodzeli
  • L. Silvestri
  • A.K. Srivastava
  • E. P. Pozhidaev
  • V. G. Chigrinov
  • H. S. Kwok




In this paper we propose a new approach to fiber optic voltage sensors via voltage-controlled Liquid Crystals (LC), which would allow direct measurement of up to 400 kV/m electric fields at multiple points. In addition, the electro-optical behavior of deformed helix ferroelectric (DHF) liquid crystal in reflective mode is described and tested. The electrically controlled reflectance has been measured at sub-kilohertz driving voltage frequency for different polarizations of the incident light.

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How to Cite

Q. Guo, “Voltage Sensor with wide Frequency Range using Deformed Helix Ferroelectric Liquid Crystal”, Photonics Lett. Pol., vol. 5, no. 1, pp. pp. 2–4, Mar. 2013.