Optical scattering in a nematic liquid crystal induced by acoustic surface waves

Optical scattering in a nematic liquid crystal induced by acoustic surface waves

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A standing acoustic-wave pattern at 2.6 MHz is displayed in a nematic liquid-crystal film on a piezoelectric substrate. The striations are visible because the liquid crystal is optically anisotropic, because of the acoustically induced turbulence. This result has implications for liquid-crystal display systems.


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