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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 46, Iss. 6 — Feb. 20, 2007
  • pp: 881–887

Two-dimensional polarization rotator using a twisted-nematic liquid-crystal display

Ignacio Moreno, José Luis Martínez, and Jeffrey A. Davis  »View Author Affiliations

Applied Optics, Vol. 46, Issue 6, pp. 881-887 (2007)

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We present a novel configuration for a twisted-nematic liquid-crystal display (TN-LCD) that makes it operate as a controllable polarization rotator. We extend a previouslyreported polarization rotator configuration using a zero-twist LCD inserted between two quarter-wave plates. We first operate the TN-LCD in the polarization eigenvector configuration and show how this system can act as an equivalent voltage-controlled wave plate. Next we incorporate this wave plate into the optical rotator configuration. We show that the plane of polarization of the transmitted light can be rotated as a function of the phase introduced by the display. Finally, we create a 2D polarization mask where different areas of the TN-LCD form different polarization states. Experimental results are included.

© 2007 Optical Society of America

OCIS Codes
(120.5410) Instrumentation, measurement, and metrology : Polarimetry
(160.3710) Materials : Liquid crystals
(230.3720) Optical devices : Liquid-crystal devices
(230.5440) Optical devices : Polarization-selective devices
(230.6120) Optical devices : Spatial light modulators
(260.5430) Physical optics : Polarization

ToC Category:

Original Manuscript: March 9, 2006
Revised Manuscript: October 3, 2006
Manuscript Accepted: October 11, 2006
Published: February 2, 2007

Ignacio Moreno, José Luis Martínez, and Jeffrey A. Davis, "Two-dimensional polarization rotator using a twisted-nematic liquid-crystal display," Appl. Opt. 46, 881-887 (2007)

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