Abstract
Linearly polarized light beam can rotate the trans-azobenzene molecules into cis-form resulting in inducing photoanisotropy. This property is used to control the transmission of nanosecond and picosecond laser pulses and also for holographic data storage applications. Studies were performed using four commercially available azobenzene dyes in different solvents and also in custom prepared nanoporous azobenzene Dendron films. Nanopores are created in a silica matrix and azobenzene molecules are attached to the inner walls of these pores to mimic solution like environment for the azobenzene molecules such that they can undergo photoinduced trans-cis-trans isomerization process at a faster rate.
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