光学学报, 2020, 40 (20): 2014001, 网络出版: 2020-09-30
激光系统中元件热效应时空特性分析 
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Analysis of Spatio-Temporal Characters of Thermal Effects of Optical Components in Laser System
图 & 表
图 1. Si反射镜温升分布。(a)表面最大温升随时间变化;(b)表面温升径向分布
Fig. 1. Temperature increase distribution of Si reflective mirror. (a) Maximal temperature increase change with time; (b) radial distribution of surface temperature increase
图 2. Si反射镜热相差RMS随时间变化
Fig. 2. RMS of thermal aberration of Si reflective mirror change with time
图 3. SiO2窗口镜不同时刻温升分布。(a)面吸收;(b)体吸收
Fig. 3. Temperature increase distribution of SiO2 window mirror at different moments. (a) Face absorption; (b) body absorption
图 4. SiO2窗口镜热效应的时间变化。(a)表面最大温升;(b)热相差RMS
Fig. 4. Thermal effect of SiO2 window mirror change with time. (a) Maximal temperature increase; (b) RMS of thermal aberration
图 5. 元件热效应自适应校正仿真光路。(a) Si反射镜;(b) SiO2窗口镜
Fig. 5. Adaptive correction simulation optical path of thermal effect. (a) Reflective mirrors Si; (b) window mirror SiO2
图 6. 均匀光斑辐照时,元件热相差RMS随时间变化
Fig. 6. RMS of thermal aberration under uniform intensity laser irradiation change with time
图 7. 均匀光斑辐照时,远场光斑归一化峰值强度随时间变化。(a) AO开环;(b) AO闭环
Fig. 7. Normalized peak intensity of far-field under uniform laser irradiation change with time. (a) AO open; (b) AO closed
图 9. 20 s时元件热相差分布。(a) Si反射镜;(b) SiO2窗口镜
Fig. 9. Distribution of thermal aberration at 20 s. (a) Reflective mirrors Si; (b) window mirror SiO2
图 10. 实验光斑辐照时,元件热相差RMS随时间变化
Fig. 10. RMS of thermal aberration under experimental laser irradiation change with time
表 1元件材料物理参数
Table1. Physical parameters of the materials
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胡鹏, 张建柱. 激光系统中元件热效应时空特性分析[J]. 光学学报, 2020, 40(20): 2014001. Peng Hu, Jianzhu Zhang. Analysis of Spatio-Temporal Characters of Thermal Effects of Optical Components in Laser System[J]. Acta Optica Sinica, 2020, 40(20): 2014001.
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