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Polarization-selective diffractive optical elements with a twisted-nematic liquid-crystal display.

Authors
  • Guo, Cheng-Shan
  • Yue, Shu-Juan
  • Wang, Xi-Lin
  • Ding, Jianping
  • Wang, Hui-Tian
Type
Published Article
Journal
Applied Optics
Publisher
The Optical Society
Publication Date
Mar 01, 2010
Volume
49
Issue
7
Pages
1069–1074
Identifiers
DOI: 10.1364/AO.49.001069
PMID: 20197804
Source
Medline
License
Unknown

Abstract

We propose a method for realizing a polarization-selective diffractive optical element by using of a single twisted-nematic liquid-crystal display (TN-LCD). We have demonstrated that two orthogonal polarization-encoding channels can be formed using a single TN-LCD operated in some special conditions. Based on the two orthogonal encoding channels, two orthogonal polarized components of a field with any complex amplitude can be holographically encoded and reconstructed and, hence, different output images with different polarization states could be obtained, or a vector beam with spatially inhomogeneous polarization distributions, as well as the desired complex amplitude distributions, could be combined.

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