高质量Gd_xY_(1-x)COB晶体生长及其1.064μm二、三倍频非临界相位匹配性质  

Growth、SHG and THG Non-critical Phase Match of GdYCOB Crystals

作　　者：宋仁波[1] 王正平[1] 傅琨[1] 江怀东[1] 王东[1] 李静[1] 魏景谦[1] 邵宗书[1] 王继扬[1] 

机构地区：[1]山东大学晶体材料国家重点实验室,济南250100

出　　处：《人工晶体学报》2001年第3期242-245,共4页Journal of Synthetic Crystals

基　　金：国家自然科学基金资助项目 (No.68890 2 3 5 )

摘　　要：本文介绍了高质量非线性光学晶体GdxY1 xCa4 O(B0 3 ) 3 (GdYCOB)的生长 ;在这类晶体的Y向实现了 1.0 64μm激光的Ⅱ类二倍频 (SHG)和I类三倍频 (THG)的非临界相位匹配 (NCPM) :在x =0 .2 0的晶体中实现倍频NCPM ,基频输入功率为 110mW时 ,输出的 5 32nm绿光为 4 0 .3mW ,转换效率达 36.7% ;在x =0 .2 2的晶体中实现三倍频的NCPM ,输入功率为 133mW时 ,输出的 35 5nm紫外光为 19.7mW。在输入功率为 80mW时 ,转换效率为 2 1%。High optical quality Cd xY 1-x Ca 4O(BO 3) 3 (GdYCOB) crystals have been grown by using Czochralski method.Type II second harmonic generation (SHG) and type I third harmonic generation (THG) non-critical phase matches (NCPM) were performed in this type crystals.For Gd 0.2 Y 0.8 COB crystal (type II SHG,NCPM),when the input power was 110mW,the output of 532nm was 40.3mW,the efficiency reached 36.7%,and for Gd 0.22 Y 0.78 COB(type I THG,NCPM),when input power was 133mW,the output of 355nm UV was 19.7mW.When the input power was 80mW,the conversion efficiency could be 21%.

关 键 词：CdxY1-xCa4O(BO3)3晶体 提拉法 非临界相位匹配 非线性光学晶体 晶体生长 

分 类 号：O782[理学—晶体学]