低电场周期极化化学比掺镁铌酸锂绿光倍频器
CHINESE JOURNAL OF LUMINESCENCE（2003）
Abstract
对气相平衡扩散输运工艺制备的化学比掺镁铌酸锂晶体进行周期极化,实验中发现化学比掺镁铌酸锂晶体的矫顽场为1.2kV/mm,只有常用的同成分铌酸锂晶体的矫顽场的1/20,用低电场就可以制备出结构均匀周期为6.2～6.4μm的周期性极化结构. 在室温下对此周期极化结构进行二次谐波倍频实验,其归一化倍频转换效率为4.8%/W.
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Key words
stoichiometric Mg∶LiNbO3 crystal,second harmonic generation
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