THEORY OF MICROSTRUCTURAL DEPTH PROFILING BY PHOTOTHERMAL MEASUREMENTS

被引:67
作者
LAN, TTN
SEIDEL, U
WALTHER, HG
机构
[1] Friedrich-Schiller-Universität Jena, Institut für Optik und Quantenelektronik, 07743 Jena
关键词
D O I
10.1063/1.359409
中图分类号
O59 [应用物理学];
学科分类号
摘要
An analytical solution for the photothermally measurable surface temperature of a sample with piecewise linearly inhomogeneous depth profile of the thermal conductivity k is presented. Based on this solution an inversion algorithm using a sequence of one-parameter fits is suggested in order to estimate the k profile. Numerical simulations demonstrate the performance of the approach and its insensitivity to random errors. © 1995 American Institute of Physics.
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页码:4739 / 4745
页数:7
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