Modeling and optimization of cooling system for high power slab laser amplifiers

被引：5
|
作者：
Wang J. [1 ]
Li L. [1 ]
Shi X. [1 ]
Yin L. [1 ]
Ma X. [1 ]
Zhu X. [1 ]
机构：
[1] Shanghai Key Laboratory of All Solid-State Laser and Applied Techniques, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences
来源：
Zhongguo Jiguang/Chinese Journal of Lasers | 2010年 / 37卷 / 06期
关键词：
Cooling system; Finite element analysis; Microchannel water cooling; Slab laser;
D O I：
10.3788/CJL20103706.1553
中图分类号：
学科分类号：
摘要：
Based on conductive cooled slab laser amplifiers with end-pumping structure, a rectangular micro-channel water cooling heatsink as the amplifier cooling system has been designed. Optimization of the micro-channel heatsink was investigated by the finite element analysis (FEA), which showed that the cooling performance is the best when the ratio of width of microfin valley to width of microchannel is 0.57. Comparing the experiment with the simulation of a micro-channel heatsink with 0.4 mm width of microfin valley and 0.35 mm width of microfin, the curve of heat transfer coefficient and water flow rate was fitted, resultant temperature distribution of the laser slab under cooling of the heatsink was obtained by FEA. Results indicated that low thermal resistance in the slab cooling surface was obtained even the water flow rate was slow.
引用
收藏
页码：1553 / 1559
页数：6
相关论文
共 19 条
  • [1] Eggleston J.M., Kane T.J., Kuhn K., Et al., The slab geometry-Part I: theory, IEEE J. Quantum Electron., QE-20, 1, pp. 289-301, (1984)
  • [2] Zhou S., Zhao H., Tang X., High average power laser diode pumped solid-state laser, Chinese J. Lasers, 36, 7, pp. 1605-1618, (2009)
  • [3] Koechner W., Solid-State Laser Engineering, (1999)
  • [4] Tuckerman D.B., Heat transfer microstrueture for integrated circuits, (1984)
  • [5] Beach R., Benett W.J., Freitas B.L., Et al., Modular microchannel cooled heatsinks for high average power laser diode arrays, IEEE J. Quantum Electron., 28, 4, pp. 966-975, (1992)
  • [6] Tsunekane M., Taira T., Design and performance of compact heatsink for high-power diode edge-pumped, microchip lasers, IEEE J. Quantum Electron., 43, 3, pp. 619-625, (2007)
  • [7] Goodno G.D., Komine H., Mcnaught S.J., Et al., Coherent combination of high-power, zigzag slab lasers, Opt. Lett., 31, 9, pp. 1247-1249, (2006)
  • [8] Li J., Li X., Lu Y., Et al., Laser-diode side-pumped Yb: YAG slab laser with microchannels heat sink, Chinese J. Lasers, 33, 3, pp. 289-292, (2006)
  • [9] Liu L., Guo S., Lu Q., Et al., Study of thermal-stress-induced depolarization loss in conduction cooled end-pumped slab amplifiers, Chinese J. Lasers, 36, SUPPL.1, pp. 43-47, (2009)
  • [10] Ma X., Bi J., Hou X., Et al., Conductively cooled all-solid-state zigzag slab laser, Chin. Opt. Lett., 6, 5, pp. 366-368, (2008)
12