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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 3 — Feb. 1, 2014
  • pp: 659–662

Use of ferroelectric liquid crystal panels to control state and degree of polarization in light beams

Alba Peinado, Angel Lizana, and Juan Campos  »View Author Affiliations


Optics Letters, Vol. 39, Issue 3, pp. 659-662 (2014)
http://dx.doi.org/10.1364/OL.39.000659


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Abstract

We propose a new technique that is able to generate a light beam with a controlled state of polarization (SoP) and a customized degree of polarization (DoP). The technique relies on the fact that effective depolarization can be achieved by temporally averaging a time-dependent SoP. Our proposed setup is based on a ferroelectric liquid crystal panel of retardance λ/2, with a fast polarization switching capability (33 Hz). A mathematical basis describing the experiment is given. In addition, simulation data is discussed, showing the possibility of generating any SoP with full control of the DoP. Finally, to prove the potential of the invention proposed, experimental results are provided as well, reaching an experimental minimum DoP of 0.14.

© 2014 Optical Society of America

OCIS Codes
(120.2130) Instrumentation, measurement, and metrology : Ellipsometry and polarimetry
(230.3720) Optical devices : Liquid-crystal devices
(260.5430) Physical optics : Polarization

ToC Category:
Optical Devices

History
Original Manuscript: November 8, 2013
Revised Manuscript: December 20, 2013
Manuscript Accepted: December 20, 2013
Published: January 29, 2014

Citation
Alba Peinado, Angel Lizana, and Juan Campos, "Use of ferroelectric liquid crystal panels to control state and degree of polarization in light beams," Opt. Lett. 39, 659-662 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-3-659

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