Dynamic Response of the Electro-Optic Effect in Epitaxial KNbO₃

B. H. Hoerman, B. M. Nichols, M. J. Nystrom , and B. W. Wessels

Appl. Phys. Letts. 75(18), 2707 (1999).

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Abstract:

The dynamic response of the electro-optic coefficient of epitaxial KNbO₃ thin films was measured at room temperature.  The effective electro-optic coefficient for these films at 100 kHz is 12 pm/V.  The magnitude of the electro-optic response increased by seventy percent as the duration of the applied field was increased from 10 ns to 10 microseconds.  A dispersion of the electro-optic coefficient is observed which follows a power law given by At^m.

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