Light Transmission And Scattering Of Polymer Dispersed Liquid Crystals

Joe B. Whitehead; Slobodan Zumer; William Doane

doi:10.1117/12.976426

25 July 1989 Light Transmission And Scattering Of Polymer Dispersed Liquid Crystals

Joe B. Whitehead; Slobodan Zumer; William Doane

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Proceedings Volume 1080, Liquid Crystal Chemistry, Physics, and Applications; (1989) https://doi.org/10.1117/12.976426
Event: OE/LASE '89, 1989, Los Angeles, CA, United States

Abstract

The light transmission and scattering properties of a PDLC light shutter in the transparent (field applied) state are studied. It is found from transmission experiments of samples containing sub-micron size droplets that there is a broad distribution of about 10Â° about the field direction in droplet alignment, even in saturating fields. Evidence is presented that this distribution is principally caused by the non-spherical shape of the droplets. Measurements of the total scattering cross section imply that even in the transparent state there exists some multiple scattering or interdroplet scattering effects. Transmission and scattering measurements in samples with supra micron size droplets show effects of anomalous diffraction and are sensitive to distributions in droplet size. The theory of scattering from a nematic droplet in the anomalous diffraction regime agrees favorably with experiment.

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Joe B. Whitehead, Joe B. Whitehead, Slobodan Zumer, Slobodan Zumer, William Doane, William Doane, } "Light Transmission And Scattering Of Polymer Dispersed Liquid Crystals", Proc. SPIE 1080, Liquid Crystal Chemistry, Physics, and Applications, (25 July 1989); doi: 10.1117/12.976426; https://doi.org/10.1117/12.976426

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