中国激光, 2011, 38 (2): 0202005, 网络出版: 2011-01-21   

激光二极管抽运的高效率Yb:YGG激光器的连续及锁模运转

Laser Diode Pumped Efficient Continuous Wave and Picoseconds Yb:YGG Laser
作者单位
1 中国科学院物理研究所光物理重点实验室, 北京凝聚态物理国家实验室, 北京 100190
2 西安电子科技大学技术物理学院, 陕西 西安 710071
3 山东大学晶体材料国家重点实验室, 山东 济南 250100
摘要
报道了激光二极管抽运下的高效率Yb:YGG连续及锁模激光器。实验中采用光学浮区法生长的高质量Yb:YGG激光晶体,在6.7 W的入射抽运功率下得到了1.95 W的激光输出,光-光转换效率为29.1%,最大斜率效率为60%。用半导体可饱和吸收镜启动锁模,在没有补偿色散的情况下得到了1 W的激光输出,光-光转换效率为18.2%,脉冲宽度为2.1 ps,中心波长位于1035 nm。
Abstract
An efficient laser diode-pumped Yb:YGG laser is demonstrated by using a high quality Yb:YGG crystal grown by optical floating zone method, output power up to 1.95 W has been obtained under incident pump power of 6.7 W, corresponding to optical-to-optical efficiency of 29.1% and maximum slop efficiency of 60%. By using a semiconductor saturable mirror absorber (SESAM) to start and sustain the mode-locking, stable laser pulses of 2.1 ps has been obtained without dispersion compensation. The central wavelength is 1035 nm and the output power is 1 W, corresponding to optical-to-optical efficiency of 18.2%.
参考文献

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张永东, 魏志义, 张治国, 钱德年, 吕亮, 曾晓东, 张怀金, 于浩海, 王继扬. 激光二极管抽运的高效率Yb:YGG激光器的连续及锁模运转[J]. 中国激光, 2011, 38(2): 0202005. Zhang Yongdong, Wei Zhiyi, Zhang Zhiguo, Qian Denian, Lü Liang, Zeng Xiaodong, Zhang Huaijin, Yu Haohai, Wang Jiyang. Laser Diode Pumped Efficient Continuous Wave and Picoseconds Yb:YGG Laser[J]. Chinese Journal of Lasers, 2011, 38(2): 0202005.

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