| 阶跃光激励的光热光偏转技术测量材料的热扩散率 |
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| 引用本文： | 曾胜财,陈远铭,甘亮勤.阶跃光激励的光热光偏转技术测量材料的热扩散率[J].赣南师范学院学报,2010,31(3):48-50. |
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| 作者姓名： | 曾胜财 陈远铭 甘亮勤 |
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| 作者单位： | 1. 赣南师范学院,资产管理处,江西,赣州,341000
2. 厦门理工学院,数理系,福建,厦门,361024 |
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| 基金项目： | 赣南师范学院自然科学资助课题，厦门理工学院教育教学改革与建设项目 |
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| 摘 要： | 基于光热光偏转技术的基本原理,通过分析阶跃光激励的光热光偏转信号的上升快慢与材料热扩散率的关系,提出了测量材料热扩散率的新方法.结果表明,该方法与传统的光热光偏转技术测量材料热扩散率方法相比,具有实验装置简单、测量方便快捷等优点.
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| 关 键 词： | 阶跃光 光热光偏转技术 热扩散率 |
Study on Measuring Thermal Diffusivity for Materials by StepOptical Excitation Photothermal Deflection Technique |
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| ZENG Sheng-cai,CHEN Yuan-ming,GAN Liang-qin.Study on Measuring Thermal Diffusivity for Materials by StepOptical Excitation Photothermal Deflection Technique[J].Journal of Gannan Teachers' College(Social Science(2)),2010,31(3):48-50. |
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| Authors: | ZENG Sheng-cai CHEN Yuan-ming GAN Liang-qin |
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| Abstract: | In this paper,based on the principle of the photothermal deflection techniqu,by analyzing the signal characteristic of the photothermal deflection technique with step optical excitation,a new method for measuring the thermal diffusivity of materials was proposed.The results show that compared with the traditional photothermal deflection technique,this method has many advantages such as the experiment equipment is simpler,the measurement is more convenient and faster. |
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| Keywords: | Step optical Photothermal deflection technique Thermal diffusivity |
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