中国激光, 2011, 38 (s1): s102001, 网络出版: 2011-11-21  

千瓦级端面抽运板条激光器技术研究

Technology Research on Kilowatt Slab Laser with End-Pumping
作者单位
中国工程物理研究院应用电子学研究所, 四川 绵阳 621900
摘要
开展了激光二极管端面抽运Nd:YAG板条激光器的实验研究,根据板条激光介质的特点,通过选择倒像谐振腔,有效地避免了激光光束偏离板条端面和输出功率不稳定的情况。在抽运功率3330 W时,获得了平均功率超过1000 W的准连续激光输出,斜率效率达到42.2%,输出功率的稳定性优于1.5%。实验还测量了激光光束质量并进行了相应的理论分析。
Abstract
The Nd:YAG slab laser with laser diode array end-pumping experiment has been developed. According to the characteristic of slab medium, the slab laser with image-inverting resonator (IIR) avoids effectively the beam excursion to the slab end and the instability on laser power. It obtains the quasi-continuous laser output with the average power higher than 1000 W when the pump power is 3330 W, the slope efficiency is 42.2%, the stability of the output power is better than 1.5%. The beam quality of laser is measured and the relevant academic analysis is done.

李密, 胡浩, 李建民, 李德明, 赵娜, 邬映臣, 蒋建锋, 雷军, 吕文强, 石勇. 千瓦级端面抽运板条激光器技术研究[J]. 中国激光, 2011, 38(s1): s102001. Li Mi, Hu Hao, Li Jianmin, Li Deming, Zhao Na, Wu Yingcheng, Jiang Jianfeng, Lei Jun, Lü Wenqiang, Shi Yong. Technology Research on Kilowatt Slab Laser with End-Pumping[J]. Chinese Journal of Lasers, 2011, 38(s1): s102001.

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