Abstract
The electro-optic (EO) effect was the earliest nonlinear optical(NLO) phenomenon discovered. The EO effects are the change in the refractive index resulting from the application of a dc or a low frequency electric field. NLO polymeric materials have been of great interest because of their potential use for optical devices. Poled polymers are one of the promising materials for EO applications. Our purpose is to measure the linear EO effects of poled polymeric films precisely. In this paper, the determination of the linear EO coefficients of poled polymeric films with the ellipsometric reflection technique has been discussed in detail. The interference effects were introduced with the spurious signal. The magnitude and phase retardation of the spurious signal were obtained empirically. We have analyzed and demonstrated experimentally with DANS and DR1 side chain poled polymer.
© 1997 Optical Society of America
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