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|Effect of Chiral Dopant and Monomer Concentrations on the Electro-optical Response of a Polymer Stabilized Cholesteric Texture Cell
|Huang, Chi-Yen;Chih, Y. S.;Ke, S. W.
|Polymer stabilized cholesteric texture cells with
various chiral and monomer concentrations were fabricated.
Electro-optical measurement indicates that the chiral concentration
and the monomer concentration significantly influence the
hysteresis, threshold voltage and field-on and field-off response
times of the cell. The chiral dopant is found to increase the hysteresis
width and to decrease the field-off response time of the
cell. The monomer is found to decrease the hysteresis width and
to increase the field-off response time of the cell. The field-on
response time is independent of the monomer concentration and
the chiral concentration of the cell. A thinner cell has a smaller
|Applied Physics B: Lasers and Optics, 86(1): 123-127
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