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POM images with two crossed linear polarizers: (a) sample I cell 2, (b) sample II cell 1, (c) sample II cell 2, and (d) sample II cell 3.
(a) Diagram of the experimental setup using circular polarizers. RCP: right-handed circular polarizer; LCP: left-handed circular polarizer. (b) Dark state spectrum using two crossed linear polarizers. (c) Dark state spectrum using two crossed circular polarizers.
Measured transmittance of four BPLC cells in the voltage-off state. (a) A linear polarizer is placed in front of the cells. (b) A right-handed circular polarizer is placed in front of the cells.
Measured voltage-dependent transmittance curves using two crossed circular polarizers. λ = 514 nm, T = 21 °C, and f = 1 kHz.
Recipes of two PS-BPLC samples.
Summarized performance of five BPLC cells. τ: decay time; CR: contrast ratio. λ = 514 nm, T = 21 °C, and f = 1 kHz.
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