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Setup used to produce intensity holography grating pattern. RM: reflective mirror and BS: beam splitter.
(Color online) POM images of the cell with different periodicities: (a) , (b) , (c) , and (d) .
(Color online) Simulation results of the distribution of LC director in the pattern with different periodicities.
(a) POM image of LC cell with azo-dye film and polyimide substrate leading to homeotropic alignment, the periodicity is . (b) Electro-optical data of the first order diffraction for the LC cell under two input polarization directions, one parallel to stripes and the other perpendicular.
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