Journal
APPLIED PHYSICS EXPRESS
Volume 5, Issue 6, Pages -Publisher
JAPAN SOC APPLIED PHYSICS
DOI: 10.1143/APEX.5.062501
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Funding
- Grants-in-Aid for Scientific Research [22760009] Funding Source: KAKEN
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We propose an electrically tunable liquid crystal (LC) grating unit consisting of a conventional homogeneous LC cell and an LC grating with spatially varied twisted-nematic (TN) orientation domains (-pi to pi). The former cell controls the Stokes parameter S-3 and the latter functions as a TN-LC grating that is highly sensitive to S-3. We demonstrate the unique characteristics of the proposed TN-LC grating: it is highly efficient, is almost achromatic, and has minimal temperature-dependent diffraction properties. These properties are a result of the retardation- and wavelength-insensitive polarization rotation nature of general TN-LC cells under Mauguin's condition. (C) 2012 The Japan Society of Applied Physics
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