The neodymium ions doped gadolinium vanadate (Nd∶GdVO_4) single crystals were successfully grown by Czochralski method. Chemical etching technique was used to reveal the dislocation structure of the crystals. An aver...The neodymium ions doped gadolinium vanadate (Nd∶GdVO_4) single crystals were successfully grown by Czochralski method. Chemical etching technique was used to reveal the dislocation structure of the crystals. An average dislocation density of (100) plane is 600 pits/mm 2. The crystal-morphology can be used to determine crystal orientation accurately with simple optical method.展开更多
文摘The neodymium ions doped gadolinium vanadate (Nd∶GdVO_4) single crystals were successfully grown by Czochralski method. Chemical etching technique was used to reveal the dislocation structure of the crystals. An average dislocation density of (100) plane is 600 pits/mm 2. The crystal-morphology can be used to determine crystal orientation accurately with simple optical method.
文摘实验研究了激光二极管端面泵浦 Nd:GdVO_4激光器,采用平-平腔结构,实现了1 064 nm 连续激光输出。在注入泵浦功率为16.36 W 时,最大连续激光输出达9.86 W,光-光转换效率为60.02%;在腔内插入 Q开关,重复频率为50 kHz,注入泵浦功率为7.77 W 条件下,得到3.24 W 的激光脉冲输出,脉冲宽度为19 ns,M^2=2.4。
