Optics Express 2013-01-28

The still unknown azobenzene - wavelength dependent photoanisotropy in amorphous azobenzene polymers.

P S Ramanujam, Ole Bjarlin Jensen, Peter Tidemand-Lichtenberg

Index: Opt. Express 21(2) , 1812-9, (2013)

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Abstract

We demonstrate a new type of anisotropy in thin films of amorphous azobenzene polymers induced between 570 and 633 nm, where the absorbance in the film is on the order of 0.05. The anisotropy has a pronounced radial contribution. This observation points to an additional mechanism for the alignment of azobenzene molecules.

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