Photoacoustic determination of the thermal diffusivity for thin metallic samples

被引:0
作者
Lukaszewskj, K [1 ]
Pieszynski, K [1 ]
机构
[1] Tech Univ Lodz, Inst Phys, PL-93005 Lodz, Poland
关键词
photoacoustic; photothermal; laser;
D O I
暂无
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The ratio of the signals produced in the photoacoustic cell for the front and back illumination of the metallic sample is analyzed. Both the theory and the experiment conducted prove that the slope of the frequency dependence of this ratio gives the measure of the sample's thermal diffusivity.
引用
收藏
页码:101 / 110
页数:10
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