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Schematic of (a) the experimental setup with the pattern of the scanning region and (b) structure of the LC cell.
POM images of the fabricated grating in a LC cell. P and A are the directions of the polarizer and analyzer, respectively. (a) Crossed polarizers and (b) parallel polarizers.
Height profile of a grating structure with a period of .
(a) Relationship between the grating period and surface azimuthal anchoring energy measured by the torque balance method. (b) Height profile of a grating structure with a period of .
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