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Opt Lett. 2009 Dec 1;34(23):3619-21. doi: 10.1364/OL.34.003619.

High-resolution photoaligned liquid-crystal micropolarizer array for polarization imaging in visible spectrum.

Author information

  • 1Department of Electronic and Computer Engineering, Hong Kong University of Science & Technology,Clear Water Bay, Kowloon, Hong Kong SAR, China. eexjzhao@ust.hk

Abstract

We report a superior high-resolution micropolarizer array fabrication technology that combines a linear polarizer with a micropatterned liquid-crystal (LC) cell. A 2 microm pitch is achieved by using UV light to define the orientation of the micropolarizer elements. Reported experimental results validate the concept of high-performance photoaligned LC micropolarizer arrays with major principal transmittance of approximately 80% and extinction ratio as high as approximately 3200(35 dB).

PMID:
19953139
[PubMed]
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