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Nd:GdYVO₄与Nd:YVO₄的激光倍频特性比较

Comparison and Research of Nd:GdYVO₄ and Nd:YVO₄ Laser’s SHG Characteristics

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【Author】 LIU Hui-lan1,2,SUN Yao2,ZHANG Shuai-yi2,YU Guo-lei2,LI Jian2 (1.Department of Physics,Dezhou University,Dezhou 253023,Shandong;2.College of Physics and Electronics,Shandong Normal University,Jinan 250014,Shandong)

【机构】德州学院物理系；山东师范大学物理与电子科学学院；山东师范大学物理与电子科学学院山东德州253023；山东济南250014；

【摘要】在相同实验条件下,采用V型折叠腔对比了Nd:GdYVO4和Nd:YVO4两种晶体的腔内倍频特性。利用KTP腔内倍频,在泵浦功率为6.71W时分别获得了1.69W和1.46W的稳定倍频绿光输出,光-光转换效率分别达到25.2%和21.8%。比较得出,由于Nd:GdYVO4晶体良好的导热性,在大功率激光泵浦条件下,Nd:GdYVO4/KTP获得了更好的倍频激光输出。更多还原

【Abstract】 Under the same experimental conditions,V-shaped folded cavity is used to compare the intra-cavity frequency-doubled characteristics of Nd:GdYVO4 and Nd:YVO4.With the pumped power of 6.71W,an output power 1.69W and 1.46W of stable frequency-doubled green light was achieved by V-shaped folded cavity,giving an optical conversion efficiency of 25.2% and 21.8%.The comparison shows that as a result of the Nd:GdYVO4 crystal good heat conductivity,under the high efficiency laser pump condition,Nd:GdYVO4/KTP has obtained the better frequency multiplication laser output.更多还原