论文信息 - Third-order optical non-linearity of Bi2O3-based glasses

Third-order optical non-linearity of Bi2O3-based glasses

Abstract Third-order optical non-linearity of 10Li 2 O · 15ZnO · 70Bi 2 O 3 (mol%) glass samples containing W, Pb, Mo, Ba and Nb with high refractive indices was evaluated by third harmonic generation method. These glasses were prepared by conventional melt-and-quenching technique. The χ (3) values derived were close to some TeO 2 -based glasses which have the largest χ (3) among homogeneous glasses. χ (3) as large as 2.1 × 10 −12 esu was obtained for glasses containing WO 3 or PbO. The hyperpolarizability ( α (3) ) of BiOBi bonds in the glasses was found to be comparable to that of TeO 4 unit.

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