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Schematic of fabrication method of DDLC-based linear polarization rotator. Plating-gradated direction of NDF is along the axis. Symbol denotes the position where low-(high-) intensity pump laser impinges.
Position-dependent transmittance of LVNDF. Its transmittance-linear region is between the positions, .
Dependence of adsorption-induced twist angle on exposure time at the variant pump intensities , 6, 4, and .
Intensity patterns of twist nematic DDLC cell by a polarizing optical microscope using (a) parallel polarizers and (b) crossed polarizers.
(a) Measurement of position-dependent transmittance of linear polarization rotator. (b) Solid dots (line) represent the experimental (theoretical) position-dependent transmittance.
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