Polymer-dispersed liquid-crystal voltage sensor
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
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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