Marco Bazzan, Cinzia Sada, Nicola Argiolas, Alessandro C. Busacca, Roberto L. Oliveri, Salvatore Stivala, Luciano Curcio, Stefano Riva Sanseverino
Domain engineering technology in lithium tantalate is a well studied approach for nonlinear optical applications. However, for several cases of interest, the realization of short period structures (< 2 \mu m) is required, which make their characterization difficult with standard techniques. In this work, we show that high resolution x-ray diffraction is a convenient approach for the characterization of such structures, allowing us to obtain in a nondestructive fashion information such as the average domain period, the domain wall inclination, and the overall structure quality.
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http://arxiv.org/abs/1209.5298
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