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掺杂YAG和GGG激光晶体热导率研究

Study on thermal conductivity of the YAG and GGG laser crystal

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摘要

为了研究不同掺杂YAG和GGG激光晶体的导热特性,采用瞬态脉冲法测量了273K~393K温度范围内自己生长的不同掺杂YAG和GGG激光晶体的热导率,并建立了实验样品温度场模型,推导出热导率对温度的函数关系,得到晶体热导率随温度变化曲线,这与实验测量结果基本相符。实验结果表明,晶体热导率随温度升高呈下降趋势,YAG激光晶体经Yb离子掺杂后热导率值降低,GGG晶体热导率随掺杂Nd离子浓度的增加而降低,并从理论上对实验结果进行了解释。

Abstract

For the sake of studying thermal conduction characteristic of different doped YAG and GGG laser crystals,the thermal conductivities of different doped YAG and GGG laser crystal generated from 273K to 393K were measured by making use of instantaneous measuring method,and the temperature field model of the experimental sample was established,the function of thermal conductivity to the temperature was educed. The obtained conductivity/temperature curves almost conformed with the experimental results. The experimental results make clear that the thermal conductivity of the laser crystal decline to the temperature,the thermal conductivity of YAG laser crystal declines after doped with Yb ions,the thermal conductivity of the GGG laser crystal declines with the rising of the doped Nd ions concentration. Finally,the experimental results were theoretically explained.

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中图分类号:O736

所属栏目:材料和元件

基金项目:国家自然科学基金资助项目(60478025;50472104)

收稿日期:2006-03-20

修改稿日期:2006-05-18

网络出版日期:0001-01-01

作者单位    点击查看

王保松:中国科学院 安徽光学精密机械研究所,合肥 230031
江海河:中国科学院 安徽光学精密机械研究所,合肥 230031
贾先德:中国科学院 安徽光学精密机械研究所,合肥 230031
张庆礼:中国科学院 安徽光学精密机械研究所,合肥 230031
孙敦陆:中国科学院 安徽光学精密机械研究所,合肥 230031
殷绍唐:中国科学院 安徽光学精密机械研究所,合肥 230031

联系人作者:江海河(hjiang@aiofm.ac.cn)

备注:王保松|男|硕士研究生|主要从事激光材料、激光技术方面的工作|(1981-)

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引用该论文

WANG Bao-song,JIANG Hai-he,JIA Xian-de,ZHANG Qing-li,SUN Dun-lu,YIN Shao-tang. Study on thermal conductivity of the YAG and GGG laser crystal[J]. Laser Technology, 2007, 31(2): 0141

王保松,江海河,贾先德,张庆礼,孙敦陆,殷绍唐. 掺杂YAG和GGG激光晶体热导率研究[J]. 激光技术, 2007, 31(2): 0141

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