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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 8 — Mar. 10, 2011
  • pp: 1101–1104

Photorefractive effects in ZnO nanorod doped liquid crystal cell

Yubing Guo, Yonghai Chen, Ying Xiang, Shengchun Qu, and Zhanguo Wang  »View Author Affiliations


Applied Optics, Vol. 50, Issue 8, pp. 1101-1104 (2011)
http://dx.doi.org/10.1364/AO.50.001101


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Abstract

In a forced light scattering experiment, after the diffraction efficiency arrives to a stable state, both direct current (DC) voltage and two writing beams are turned off, and then by reapplication of the DC voltage we observed a peak. We provide an explanation based on periodically changed anchoring energy and also discuss the evolution of diffraction efficiency under different grating constants, laser polarization, and the direction of the optical axis of a liquid crystal cell. Experiment results show that photo-introduced charge density is nearly in proportion to the intensity of writing beams.

© 2011 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(160.3710) Materials : Liquid crystals
(160.6000) Materials : Semiconductor materials
(190.5330) Nonlinear optics : Photorefractive optics
(160.4236) Materials : Nanomaterials

ToC Category:
Materials

History
Original Manuscript: October 19, 2010
Revised Manuscript: December 31, 2010
Manuscript Accepted: January 12, 2011
Published: March 4, 2011

Citation
Yubing Guo, Yonghai Chen, Ying Xiang, Shengchun Qu, and Zhanguo Wang, "Photorefractive effects in ZnO nanorod doped liquid crystal cell," Appl. Opt. 50, 1101-1104 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-8-1101

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