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周期极化KTP晶体532nm倍频连续绿光输出

CW 532 nm Green Light SHG from QPM Periodically Poled KTiOPO₄

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【Author】 SANG Mei1, YU Jian2, NI Wenjun2, XUE Ting2, LI Shichen, HU Yonglan3, HUANG Zhaoen3, SHI Ruize3 (1.College of Science,Tianjin University,Tianjin 300072,China; 2.College of Precise Instrument and Optoelectronics Engineering,Laboratory of Optoelectronics Information Technical Science,EMC,Tianjin University,Tianjin 300072,China; 3.Research Institute of Synthetic Crystal,Chinese Nonmetal Group,Beijing 100018,China)

【机构】天津大学理学院；天津大学精密仪器与光电子工程学院光电信息技术教育部重点实验室；中非集团人工晶体研究所；中非集团人工晶体研究所天津300072；天津300072；北京100018；北京100018；

【摘要】研究了高压电场极化法制作周期极化(PP)钛氧磷酸钾(KTP)的关键技术,实现了z切1mm厚、光栅周期Λ=9.0μm的熔融生长的KTP晶体的周期性极化反转。样品互作用长度为3mm,经Nd:YAG输出的连续1.064μm倍频(SHG)实验测试,在室温(32℃)条件下得到功率为20μW的532nm连续绿光输出。归一化倍频效率约为0.0089%/(W·cm)。更多还原

【Abstract】 The fluxgrown periodically poled KTiOPO4(PPKTP) was fabricated by high electrical field method was researched and the second harmonic generation(SHG) from a Λ=9.0 μm fluxgrow PPKTP wafer was tested.The interactive length of the sample is about 3 mm.With the Nd:YAG in 1 064 nm as the fundamental light,the CW output powre at 532 nm is 20 μW at room temperature.The conversion efficiency of SHG and the normalized one are about 0.002 4 % and 0.008 9 %/(W·cm) respectively.更多还原