光电子技术, 2010, 30 (1): 45, 网络出版: 2010-05-31  

双端面抽运Nd∶YVO4激光器的理论和实验研究

Theoretical and Experimental Research on Dual-end-pumped Nd∶YVO4 Laser
作者单位
1 军械工程学院 光学与电子工程系, 石家庄 050003
2 中国科学院 上海光学精密机械研究所上海市全固态激光器与应用技术重点实验室,上海 201800
摘要
基于传输矩阵理论,针对双端面抽运的“Z”型折叠腔Nd∶YVO4 激光器的谐振腔设计进行了数值模拟,着重分析和比较了不同腔型稳定性的变化情况。“Z”型折叠腔中关于臂长的选择对于稳定性影响较大,平凹腔在较低的泵浦功率范围更加稳定,双凹腔的稳区范围较小,但是却更适合在高泵浦功率下工作。分别采用平-凹和双凹腔型对Nd∶YVO4的1064 nm连续激光进行了研究,在相同腔长不同腔型下分别获得了稳定的1 064 nm高功率激光输出,谐振腔稳区范围和输出功率变化规律与理论计算吻合。
Abstract
Based on transmission matrix theory, resonator design of dual-end-pumped Z-type folded cavity Nd∶YVO4laser is numerically simulated. The stability of resonator with different output couplers and cavity lengths is compared. The theoretical results show that the length of each arm of Z-folded resonator has a great impact on the stability of cavity, the plane-concave cavity is more stable than double-concave cavity at low pump power and double-concave resonator′s stable region is smaller than the other one, but it is more suitable to work at high pump power.Plane-concave and double concave cavity of the Nd∶YVO41 064 nm CW laser has been studied respectively in experiment. High output power at 1 064 nm is obtained with different resonators in the same cavity length. The obtained resonator stability area and output power variation is consistent with the theoretical result.

侯军燕, 舒仕江, 汪岳峰, 黄峰, 贾文武. 双端面抽运Nd∶YVO4激光器的理论和实验研究[J]. 光电子技术, 2010, 30(1): 45. Hou Junyan, Shu Shijiang, Wang Yuefeng, Huang Feng, Jia Wenwu. Theoretical and Experimental Research on Dual-end-pumped Nd∶YVO4 Laser[J]. Optoelectronic Technology, 2010, 30(1): 45.

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