Recent Advances in Polymer Network Liquid Crystal Spatial Light Modulators

    Authors

    J. Sun;S. T. Wu

    Comments

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    Abbreviated Journal Title

    J. Polym. Sci. Pt. B-Polym. Phys.

    Keywords

    fast switching; LCOS; light scattering; liquid-crystalline polymers; (LCP); optics; polymer; spatial light modulator; WAVE-FRONT CORRECTION; SUBMILLISECOND-RESPONSE; SCATTERING; DISPLAY; SILICON; RELAXATION; HOLOGRAPHY; GELS; Polymer Science

    Abstract

    Polymer network liquid crystal (PNLC) spatial light modulators are attractive for display and photonic applications because they can achieve submillisecond response time while keeping a large phase change. However, their on-state scattering caused by the grain boundary of LC multidomains hinders their applications. In this article, we review recent progress on the development of scattering-free PNLCs extending from short-wavelength infrared to visible region by reducing the domain sizes to approximate to 200 nm through low temperature curing process. To reduce operation voltage, both transmissive and reflective modes, LC material properties (birefringence and dielectric anisotropy), polymer composition and concentration, and pretilt angle effect are analyzed. (c) 2013 Wiley Periodicals, Inc.

    Journal Title

    Journal of Polymer Science Part B-Polymer Physics

    Volume

    52

    Issue/Number

    3

    Publication Date

    1-1-2014

    Document Type

    Review

    Language

    English

    First Page

    183

    Last Page

    192

    WOS Identifier

    WOS:000328618500004

    ISSN

    0887-6266

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