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Relationship between the decay rate of second-order optical properties in poled glassy polymers and structural relaxation

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Abstract

The noncentrosymmetric structure required for second-order optical nonlinearities can be induced in polymers by poling with an applied electric field. This gives any nonlinear constituents a preferred orientation in the glassy structure which is not in thermodynamic equilibrium. The slow relaxation into random orientation is of great importance in using such materials.

© 1991 Optical Society of America

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