Bond-orbital calculations of the non-linear optical response of lithium niobate-related compounds
- 1 January 1995
- journal article
- Published by IOP Publishing in Journal of Physics: Condensed Matter
- Vol. 7 (3) , 675-682
- https://doi.org/10.1088/0953-8984/7/3/021
Abstract
Second-order non-linear optical tensor coefficients of LiNbO3-type compounds have been obtained on the basis of crystallographic data and a bond-orbital model, which is capable of calculating single bond contributions to the second-order non-linear optical susceptibility. The tensor values thus calculated are in good agreement with experimental data. The influence of energy-band broadening on the non-linear optical susceptibility is not well accounted for in the bond-orbital model.Keywords
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