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拉盖尔-高斯光束作用下熔石英温度及应力研究

Research of temperature and thermal stress of fused silica irradiated by Laguerre-Gaussian beam

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摘要

为了研究拉盖尔-高斯光束与熔石英相互作用, 采用仿真计算的方法对TEM00,TEM01和TEM10 3种模式拉盖尔-高斯光束辐照下的熔石英的温度和热应力进行研究, 取得了仿真数据。结果表明, 激光光强的空间分布影响材料的温度分布和应力分布; 温度的积累效应明显, 经过连续激光脉冲作用后材料温度持续升高, 焦点区域超过1900℃; 温度梯度导致热应力产生, 局部热应力接近50MPa。该仿真结果为熔石英的加工提供了有益的参考。

Abstract

In order to study the interaction of Laguerre-Gaussian beam and fused quartz, the method of simulation calculation was adopted to study the temperature and thermal stress of the fused quartz irradiated by 3 modes of Laguerre-Gaussian beam (TEM00, TEM01, TEM10). The simulation data were obtained. The results show that spatial distribution of laser intensity affects temperature distribution and stress distribution of the materials. The accumulation effect of temperature is obvious. After continuous laser pulse action, the material temperature continues to rise. The focus area is over 1900℃. The temperature gradient leads to thermal stress. The local thermal stress is close to 50MPa. The simulation results provide the useful reference for the processing of fused silica.

Newport宣传-MKS新实验室计划
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中图分类号:TN249

DOI:10.7510/jgjs.issn.1001-3806.2018.01.024

所属栏目:激光材料与光学元件

基金项目:国际合作研究资助项目(2014DFA00670)

收稿日期:2017-03-08

修改稿日期:2017-05-08

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作者单位    点击查看

赵 麒:贵州大学 大数据与信息工程学院, 贵阳 550025
白忠臣:贵州大学 贵州省光电子技术及应用重点实验室, 贵阳 550025
周 骅:贵州大学 大数据与信息工程学院, 贵阳 550025
陆安江:贵州大学 大数据与信息工程学院, 贵阳 550025贵州大学 贵州省光电子技术及应用重点实验室, 贵阳 550025
张正平:贵州大学 大数据与信息工程学院, 贵阳 550025
刘 桥:贵州大学 大数据与信息工程学院, 贵阳 550025

联系人作者:刘桥(liuqiao1955@163.com)

备注:赵 麒(1976-), 男, 博士研究生, 主要从事激光微加工技术方面的研究。

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引用该论文

ZHAO Qi,BAI Zhongchen,ZHOU Hua,LU Anjiang,ZHANG Zhengping,LIU Qiao. Research of temperature and thermal stress of fused silica irradiated by Laguerre-Gaussian beam[J]. Laser Technology, 2018, 42(1): 121-126

赵 麒,白忠臣,周 骅,陆安江,张正平,刘 桥. 拉盖尔-高斯光束作用下熔石英温度及应力研究[J]. 激光技术, 2018, 42(1): 121-126

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