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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 28 — Oct. 1, 2009
  • pp: 5301–5306

Electrically tunable liquid-crystal wave plate using quadripolar electrode configuration and transparent conductive polymer layers

Nicolas Fraval, Pascal Joffre, Stéphane Formont, and Jean Chazelas  »View Author Affiliations


Applied Optics, Vol. 48, Issue 28, pp. 5301-5306 (2009)
http://dx.doi.org/10.1364/AO.48.005301


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Abstract

We present the realization of an electrically tunable wave plate, which uses a nematic liquid-crystal (LC) phase retarder that allows fast and continuous control of the polarization state. This device is built using a quadripolar electrode design and transparent conductive polymer layers in order to obtain a uniform electric field distribution in the interelectrode area. With this realization, we obtain a high degree of control of the orientation of the electric field and, consequently, of the LC director. Indeed, this modulator outperforms classical bipolar LC cells in both optical path variation ( > 4 μm ) and LC rotation speed ( 0.4 ° / μs ).

© 2009 Optical Society of America

OCIS Codes
(120.5060) Instrumentation, measurement, and metrology : Phase modulation
(230.3720) Optical devices : Liquid-crystal devices

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: July 20, 2009
Manuscript Accepted: August 26, 2009
Published: September 21, 2009

Citation
Nicolas Fraval, Pascal Joffre, Stéphane Formont, and Jean Chazelas, "Electrically tunable liquid-crystal wave plate using quadripolar electrode configuration and transparent conductive polymer layers," Appl. Opt. 48, 5301-5306 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-28-5301

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