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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 45, Iss. 15 — May. 20, 2006
  • pp: 3482–3488

Polymer-dispersed liquid-crystal voltage sensor

Elizabeth Scherschener, César D. Perciante, Enrique A. Dalchiele, Erna M. Frins, Matthias Korn, and José A. Ferrari  »View Author Affiliations


Applied Optics, Vol. 45, Issue 15, pp. 3482-3488 (2006)
http://dx.doi.org/10.1364/AO.45.003482


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Abstract

We present a novel electric-field and voltage sensor based on the electro-optical properties of polymer-dispersed liquid-crystals (PDLCs). In principle, the transmittance of PDLCs is a nonlinear function of the applied electrical field. To measure an AC field we superposed to it a known DC field. This allowed us to achieve linearization of the PDLC response and to measure transmittance changes independently of the light-intensity level variations. Validation experiments are presented.

© 2006 Optical Society of America

OCIS Codes
(230.2090) Optical devices : Electro-optical devices
(230.3720) Optical devices : Liquid-crystal devices

ToC Category:
Optical Devices

History
Original Manuscript: September 7, 2005
Revised Manuscript: December 1, 2005
Manuscript Accepted: December 9, 2005

Citation
Elizabeth Scherschener, César D. Perciante, Enrique A. Dalchiele, Erna M. Frins, Matthias Korn, and José A. Ferrari, "Polymer-dispersed liquid-crystal voltage sensor," Appl. Opt. 45, 3482-3488 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-15-3482

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