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首页> 外文会议>Conference on Nonlinear Optics Jul 28-Aug 2, 2002 null >Fabrication and optical second order nonlinearity of transparent Ba_2TiGe_2O_8 crystallized glasses
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Fabrication and optical second order nonlinearity of transparent Ba_2TiGe_2O_8 crystallized glasses

机译：透明Ba_2TiGe_2O_8微晶玻璃的制备和光学二阶非线性

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摘要

We estimated an optical second order nonlinearity of ferroelastic Ba_2TiGe_2O_8 crystal in transparent crystallized glasses by means of Maker fringe technique for the first time. Transparent crystallized glasses were fabricated using a glass with the composition of 30BaO.15TiO_2.55GeO_2 similar to that of Ba_2TiGe_2O_8. The crystalline layer consisting of highly oriented Ba_2TiGe_2O_8 crystals was formed at the surface of about 9 μm thickness, and a clear second harmonic generation was observed. The optical second order nonlinearity of d_(33) for transparent Ba_2TiGe_2O_8 crystallized glass was found to be ～10 pm/V, being comparable to d_(22) and d_(31) of LiNbO_3, and demonstrating that Ba_2TiGe_2O_8 crystal is an excellent candidate for nonlinear optical crystals.
机译：我们首次利用Maker条纹技术估算了透明结晶玻璃中铁弹性Ba_2TiGe_2O_8晶体的光学二阶非线性。使用组成类似于Ba_2TiGe_2O_8的30BaO.15TiO_2.55GeO_2的玻璃制造透明的结晶玻璃。在约9μm厚度的表面上形成由高度取向的Ba_2TiGe_2O_8晶体组成的结晶层，并且观察到清晰的二次谐波产生。发现透明Ba_2TiGe_2O_8晶化玻璃的d_（33）的光学二阶非线性约为〜10 pm / V，与LiNbO_3的d_（22）和d_（31）相当，表明Ba_2TiGe_2O_8晶体非常适合作为非线性光学晶体。

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