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二八杠棋牌游戏网页版

潘丽, 何洋, 马利国, 季艳慧, 刘金岱, 陈飞

潘丽, 何洋, 马利国, 季艳慧, 刘金岱, 陈飞. 二八杠棋牌游戏网页版[J]. 中国二八杠棋牌游戏(中英文). doi: 10.37188/CO.2023-0174
引用本文: 潘丽, 何洋, 马利国, 季艳慧, 刘金岱, 陈飞. 二八杠棋牌游戏网页版[J]. 中国二八杠棋牌游戏(中英文). doi: 10.37188/CO.2023-0174
PAN Li, HE Yang, MA Li-guo, JI Yan-hui, LIU Jin-dai, CHEN Fei. 二八杠棋牌游戏彩票[J]. Chinese Optics. doi: 10.37188/CO.2023-0174
Citation: PAN Li, HE Yang, MA Li-guo, JI Yan-hui, LIU Jin-dai, CHEN Fei. 二八杠棋牌游戏彩票[J]. Chinese Optics. doi: 10.37188/CO.2023-0174

二八杠棋牌游戏网页版

doi: 10.37188/CO.2023-0174
基金项目:国家自然科学基金项目(No. 62005274,No. 61975203);激光与物质相互作用国家重点实验室自主基础研究课题(No. SKLLIM2012)中国科学院青年创新促进会会员(No. 2022216)
详细信息
    作者简介:

    潘 丽(1999—),女,重庆人,硕士研究生,2021年于重庆师范大学获得学士学位,主要从事碱金属激光器方面的研究。E-mail:[email protected]

    陈 飞(1982—),男,河南南阳人,研究员,博士生导师,2011年于哈尔滨工业大学获得博士学位,现工作于中国科学院长春二八杠棋牌游戏精密机械与物理研究所激光与物质相互作用国家重点实验室。主要从事高功率气体激光器及其应用方面的研究。E-mail: [email protected]

  • 中图分类号:TP248

二八杠棋牌游戏彩票

Funds:National Natural Science Foundation of China (No. 62005274, No. 61975203); Fund Project of the State Key Laboratory of Laser and Material Interaction (No. SKLLIM2012); Youth Innovation Promotion Association of CAS (No. 2022216)
More Information
  • 摘要:

    为研究气体流道结构对半导体泵浦流动碱金属蒸气激光器(FDPAL)输出性能的影响,本文结合FDPAL中气体传热、流体力学和激光动力学过程建立了FDPAL理论模型,以侧面泵浦Rb蒸气FDPAL(Rb-FDPAL)为仿真对象,分析气体流动方向、流道横截面积和流道形状等对Rb-FDPAL输出性能的影响。结果表明,采用横流方式,通过提高流道横截面积并将气体流道与蒸气池连接部位设置为砌体结构时,蒸气内涡流得到有效抑制,气体流速增加,蒸气池内热效应更小,Rb-FDPAL的激光输出功率和斜率效率更高,仿真结果与实验相符。

  • 图 1 Rb-FDPAL激光动力学过程

    Figure 1. Laser dynamic process of Rb-FDPAL

    图 2 半导体侧面泵浦Rb-FDPAL示意图

    Figure 2. Schematic diagram of LD side-pumped Rb-FDPAL

    图 3 Rb-FDPAL工作气体的4种流动方向

    Figure 3. Four flow directions of circulating gases in Rb-FDPAL

    图 4 不同气体流速时,4种流动方向下激光输出功率随泵浦功率的变化情况

    Figure 4. The change of laser output power with pump power under four flow directions at different gas flow rates

    图 5 当泵浦功率为10000 W、进气口初始速度为10 m/s时,4种气体流动方向下的三维温度和流动分布

    Figure 5. Three-dimensional temperature and flow distribution under four gas flow directions when pump power is 10000 W and the initial air inlet velocity is 10 m/s

    图 6 当泵浦功率为10000 W、进气口初始速度为10 m/s时,4种气体流动方向下的三维流场分布

    Figure 6. Three-dimensional flow field distribution under four gas flow directions obtained when the pump power is 10000 W and the initial air inlet velocity is 10 m/s

    图 7 LD侧面泵浦Rb-FDPAL的3种流道横截面积

    Figure 7. 3 three diagrams of channel cross-sectional areas of LD side-pumped Rb-FDPA

    图 8 不同气体流速时,4种流道横截面积下,激光输出功率与泵浦功率之间的关系

    Figure 8. The relationship between laser output power and pump power at different gas flow rates and three kinds of cross-sectional areas

    图 10 当泵浦功率为10000 W、进气口初始速度为10 m/s时,3种流道结构下的三维流场分布

    Figure 10. Three-dimensional flow field distribution under the cross-sectional area of three flow channels when the pump power is 10000 W and the initial air inlet velocity is 10 m/s

    图 9 当泵浦功率为10000 W、进气口初始速度为10 m/s时,v、vi、vii流道结构的三维温度分布

    Figure 9. Three-dimensional temperature distribution under the cross-sectional area of three flow channels when the pump power is 10000 W and the initial air inlet velocity is 10 m/s

    图 11 流道横截面积为81 cm2的vii结构优化过渡区域前后对比图

    Figure 11. Comparison of the pre- and post-transition area of the vii structure optimized with the cross-sectional area of 81 cm2.

    图 12 不同气体流速时,vii、viii结构下,激光输出功率与泵浦功率之间的关系

    Figure 12. The relationship between laser output power and pump power at different gas flow rates under structures vii and viii structures.

    图 13 (a) vii和(b) viii结构下的三维温度分布

    Figure 13. Three-dimensional temperature distribution under structures (a) vii and (b) viii structure.

    图 14 (a) vii和(b) viii结构下的三维流场分布

    Figure 14. Three-dimensional flow field distribution under structures (a) vii and (b) viii structure.

    图 15 池内平均粒子数浓度随流速变化情况

    Figure 15. The average particle number concentration in the cell as a function of flow velocity

    图 16 流道结构为vii结构下增益区长度为5 cm时激光光斑图

    Figure 16. The laser spot pattern was observed when the channel structure was vii and the gain zone length was 5 cm

    表  1 缓冲气体的恒压热容、粘滞系数和导热系数[ 22 ]

    Table  1. Partial thermophysical properties of buffer gases

    缓冲气体 恒压热容
    (J·kg−1·K−1)
    粘滞系数
    (Pa·s)
    导热系数
    (W·m−1·K−1)
    5193.2 3×10−8×T+1×10−5 0.0003×T+0.0897
    乙烷 3.9×T+600.3 3×10−8×T+2×10−5 0.0002×T−0.035
    下载: 导出CSV

    表  2 循环流动Rb-FDPAL仿真参数

    Table  2. Parameters of gas flowing diode pumped cesium laser

    参数 参数
    泵浦光中心波长(nm) 780 蒸气池增益长度(cm) 5
    泵浦光光斑大小(cm×cm) 5×0.2 反射镜M3反射率 99%
    泵浦光线宽(GHz) 30 耦合输出镜M4反射率 50%
    缓冲气体压强(atm) 1 流动气体初始温度(K) 393.15
    下载: 导出CSV

    表  3 不同流道结构的实验结果对比

    Table  3. Comparison of the experimental results of different flow channel structures

    参数 文献[ 13 ] 文献[ 14 ]
    气体流道结构 vi结构 v结构
    泵浦功率(W) 3100 65
    泵浦线宽(GHz) 24.8 20
    蒸气池温度(K) - 388
    气体流速(${\mathrm{m}} \cdot {{\mathrm{s}}^{ - 1}}$) >8 1~4
    激光输出功率(W) 1500 24
    本模型仿真的激光输出功率 1587 27
    光-光转换效率 48% 36%
    本模型仿真的光-光转换效率 51% 41%
    下载: 导出CSV
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  • 收稿日期: 2023-10-08
  • 录用日期: 2023-12-05
  • 网络出版日期: 2023-12-14

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