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

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Abstract

We report a superior high-resolution micropolarizer array fabrication technology that combines a linear polarizer with a micropatterned liquid-crystal (LC) cell. A 2μm 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 80% and extinction ratio as high as 3200 (35dB).

© 2009 Optical Society of America

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