二极管泵浦Yb∶YAG准三能级1024 nm薄盘激光器
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“十一五”预研支撑基金项目(No.62301110109)资助


Diode-pumped Yb∶YAG quasi-three level thin-disk laser with 1024 nm output
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    摘要:

    采用二极管泵浦Yb∶YAG晶体实现准三能级连续1024 nm薄盘激光器,1024 nm谱线是由Yb∶YAG晶体内的2F5/2-2F7/2能级跃迁实现的,实验中采用折叠腔结构。泵浦光16次通过Yb∶YAG晶体,当注入泵浦功率为17.9 W时,1024 nm激光输出功率为370 mW,通过采用I类临界位相匹配LiB3O5(LBO)晶体进行腔内二次谐波倍频,获得最大输出功率为45 mW的512 nm蓝-绿激光稳定输出,蓝-绿色激光30 min功率稳定度优于4.3%。

    Abstract:

    For the first time,we present a quasi-three-level Yb∶YAG laser operating in continuous wave(CW) mode.It is based on the 2F5/2-2F7/2 transition and outputs 1024 nm wavelength.The use of a pump module with 16 light passes through the crystal allows the realization of a folded cavity Yb∶YAG thin-disk laser with 370 mW output power at 1024 nm when the pump power is 32.2 W.Moreover,intra-cavity second-harmonic generation(SHG) has also been achieved with a power of 45 mW at 512 nm by using a LiB3O5(LBO) nonlinear crystal.The power stability in 30 minutes is better than ±4.3%.

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王爱国,王君光,李永亮.二极管泵浦Yb∶YAG准三能级1024 nm薄盘激光器[J].激光与红外,2012,42(3):288~291
WANG Ai-guo, WANG Jun-guang, LI Yong-liang. Diode-pumped Yb∶YAG quasi-three level thin-disk laser with 1024 nm output[J]. LASER & INFRARED,2012,42(3):288~291

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