The thermal effect in a grazing-incidence slab laser with the novel composite cooling method |
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| Authors: | Zhuo Chen Xingpeng Yan Xiaoyu Jiang and Qiang Li |
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| Institution: | 1.Department of Control Engineering,The Academic of Armored Force Engineering,Beijing,China;2.State Key Laboratory of Tribology, Department of Precision Instruments,Tsinghua University,Beijing,China |
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| Abstract: | The thermal properties of the grazing-incidence slab laser are investigated when cooling with a novel composite method, both
conducted cooling and air cooling. The 3D temperature distribution and the correspondent thermal lensing effect were analytically
modeled and numerically calculated. The absorption saturation and stress-optic effect were taken into account in the modeling.
The influence of the parameters of the laser on the thermal lensing effect were investigated in detail. The results show a
lower temperature and weaker thermal lensing effect for the composite cooling than for the traditional contaction cooling. |
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