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Electrode geometries for periodic poling of ferroelectric materials

机译:铁电材料周期性极化的电极几何形状

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We have realized novel electrode configurations for efficient periodic poling of ferroelectric crystals by applying a simple patterning method based on laser-induced material ablation. The new geometries mere theoretically investigated and compared with conventional configurations. A systematic optimization of the patterning according to the ablated profile led to high-quality quasi-phase-matched structures in lithium niobate with a grating period of 20 mu m. The periodically poled samples were characterized by use of third-order second-harmonic generation of a Nd:YAG laser. (C) 1998 Optical Society of America. [References: 7]
机译:通过应用基于激光诱导的材料烧蚀的简单构图方法,我们已经实现了用于高效周期性极化铁电晶体的新型电极配置。新的几何形状仅在理论上进行了研究,并与常规配置进行了比较。根据烧蚀轮廓的图案的系统优化导致了铌酸锂具有20μm的光栅周期的高质量准相位匹配结构。周期性极化的样品通过使用Nd:YAG激光的三次谐波产生来表征。 (C)1998年美国眼镜学会。 [参考:7]

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