中国激光, 2018, 45 (12): 1201004, 网络出版: 2019-05-09
高功率直接液冷固体薄片激光器的设计与实验 下载: 1366次
Design and Experiment on High-Power Direct-Liquid-Cooled Thin-Disk Solid-State Laser
图 & 表
图 1. 抽运源、激光、流场正交布局的直接液冷薄片激光构型
Fig. 1. Orthogonal layout of pumping source, laser, and flow field in direct-liquid-cooled thin-disk laser
图 2. 在D2O冷却条件下,对流换热系数hc、平板微流道压降P与流速V的关系
Fig. 2. Convective heat transfer coefficient hc and pressure drop P versus flow velocity in micro-channel
图 4. 增益介质退偏振后的s光分布
Fig. 4. s-polarization light distribution for gain medium after thermal depolarization
图 8. 不同单片损耗下输出功率与薄片堆叠数量的优化关系
Fig. 8. Output power versus number of disks at different loss of single disks
图 12. 流场致热致倾斜及倾斜自补偿。(a)同向流动腔内像差分布;(b)倾斜自补偿结构示意图;(c)自补偿后腔内像差分布
Fig. 12. Thermal aberration caused by cooling flow field and tilt self-compensation. (a) Intra-cavity aberration distribution under same flow direction; (b) schematic of tilt self-compensation; (c) intra-cavity aberration distribution under opposite flow direction
图 14. 液体吸收激光后导致的温度、fOPD的典型分布。(a)单流层液体的温度分布;(b) 20个流层引起的fOPD
Fig. 14. Typical distributions of temperature and fOPD due to laser absorption by liquid. (a) Temperature distribution of liquid with a single layer. (b) fOPD of liquid with 20 layers
图 15. 液体吸收激光产热引起的fOPD对光束质量瞬态演化的影响
Fig. 15. Effect of fOPD due to laser absorption by liquid on transient variation of laser beam quality
图 16. 直接液冷固体薄片激光器的实验装置。(a)设计示意图;(b)实验系统出光图
Fig. 16. Experiment device of direct-liquid-cooled thin-disk solid-state laser. (a) Design diagram; (b) output picture of the laser system
图 17. 输出单脉冲能量和光-光转换效率
Fig. 17. Output single pulse energy and optical-to-optical conversion efficiency
表 1几种激光冷却液的主要物性参数
Table1. Main physical parameters for several laser cooling liquids
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易家玉, 涂波, 曹海霞, 安向超, 廖原, 尚建力, 吴晶, 崔玲玲, 苏华, 阮旭, 高清松, 唐淳, 张凯. 高功率直接液冷固体薄片激光器的设计与实验[J]. 中国激光, 2018, 45(12): 1201004. Jiayu Yi, Bo Tu, Haixia Cao, Xiangchao An, Yuan Liao, Jianli Shang, Jing Wu, Lingling Cui, Hua Su, Xu Ruan, Qingsong Gao, Chun Tang, Kai Zhang. Design and Experiment on High-Power Direct-Liquid-Cooled Thin-Disk Solid-State Laser[J]. Chinese Journal of Lasers, 2018, 45(12): 1201004.