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Nonlinear optical properties of Eu_2O_3 doped 5ZnO-20Nb_2O_5-75TeO_2 glasses

机译:Eu_2O_3掺杂5ZnO-20Nb_2O_5-75TeO_2玻璃的非线性光学性质

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摘要

The third-order optical nonlinearities, including third-order nonlinear susceptibility nonlinear refractive index (n2) and temporal response, were measured with forward DFWM using Nd: YAG mode-locked pulse laser. The show that Ee_2O_3 doped 5ZnO-20Nb_2O_5-75TeO_2 have large n_2 ultra-fast temporal response. Raman spectra show that Eu_2O_3 dopant induces the changes in the local structure of glasses. The higher the dopant concentration, the larger the nonlinear refractive n2 and the faster the temporal response. The enhancement on the third-order optical nonlinearities can be attributed to the deformation of the electronic clouds in [TeO_4 enhanced by Eu_2G_3 dopant.
机译:使用Nd:YAG锁模脉冲激光器通过正向DFWM测量了三阶光学非线性,包括三阶非线性磁化率非线性折射率(n2)和时间响应。 Ee_2O_3掺杂的5ZnO-20Nb_2O_5-5-75TeO_2具有较大的n_2超快时间响应。拉曼光谱表明,Eu_2O_3掺杂剂引起玻璃局部结构的变化。掺杂剂浓度越高,非线性折射n2越大,时间响应越快。三阶光学非线性的增强可以归因于[Eu_2G_3掺杂增强的[TeO_4]中电子云的变形。

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