ABSORPTION-MEASUREMENTS BY LASER CALORIMETRY

被引:23
作者
ROSENSTOCK, HB
机构
[1] Naval Research Laboratory, Washington
关键词
D O I
10.1063/1.325691
中图分类号
O59 [应用物理学];
学科分类号
摘要
A solution to the heat equation is given which describes a cylindrical body uniformly heated along its axis. The application considered is the determination of bulk and surface absorption coefficients of the sample material from temperature-vs-time measurements when the heat source is a weakly absorbed narrow light beam. Under certain conditions, the full solution can be greatly simplified and the inference of absorption coefficients thus facilitated; these conditions are discussed and specified quantitatively. Equivalent results for rectangular samples are also given. The utility of the analysis is illustrated by several experimental examples.
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页码:102 / 110
页数:9
相关论文
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