Journal
SCIENTIFIC REPORTS
Volume 8, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/s41598-018-32168-w
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- Ministry of Science and Technology (MOST) of Taiwan [MOST 106-2112-M-008-002-MY3]
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An achromatic linear polarization rotator based on a tandem-2 phi-twisted nematic liquid crystal cell (tandem-2 phi-TNLC cell, where 2 phi represents the total twisted angle) is theoretically analyzed and experimentally demonstrated. The tandem-2 phi-TNLC cell comprises two conventional phi-TNLC cells with the required arrangement that the LC director close to the last layer of the first phi-TNLC cell should be perpendicular to that close to the first layer of the second phi-TNLC cell. With such a simple combination, the TNLC performances are considerably improved. According to the experimental results and theoretical analyses by Jones Calculus, the tandem-2 phi-TNLC polarization rotator with suitable parameters is achromatic and insensitive to the polarization plane of incident light. Such properties provide these polarization rotators with potential for practical applications.
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