Journal
OPTICS EXPRESS
Volume 18, Issue 26, Pages 27777-27786Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.18.027777
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- Technology Research Infrastructure Fund (TRIF)
- Air Force Office of Scientific Research (AFOSR)
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We demonstrate patterned polarizers for visible wavelengths using dichroic dye in a liquid crystal polymer (LCP) host. Contact lithography is used to pattern a thin alignment layer, which subsequently transfers the pattern to the LCP. A gray dichroic dye mixture for the visible spectrum is optimized and implemented along with LCP to fabricate this polarizer. A peak extinction ratio of 41 was measured at a 633 nm wavelength, while simultaneously showing patterns as small as 3 mu m. Finally, multi layer films are demonstrated by fabricating a two layer patterned circular polarizer consisting of a quarter-wave retarder and a color polarizer. Our process has applications in three-dimensional displays, interferometry, optical storage, and polarimeters. (C) 2010 Optical Society of America
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