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By comparing the second-order optical nonlinearity of electrically poled glass film and bulk glass samples, it was shown that both of them have similar poling and decay behavior. After analyzing the formation of bound charge and its influence on the second-order nonlinearity of glass, a qualitative model was proposed, indicating that the electric field induced by the bound charge plays an important role on the poling and decay of both film and bulk glass.
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Keywords:
- second-order nonlinearity /
- glass /
- poling /
- bound charge
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