Title: Photothermal depth profiling in the presence of lateral heat flow effects
Authors: Paoloni, S ×
Mayr, P
Glorieux, Christ
Li Voti, R
Bentefour, El Hassane
Thoen, Jan #
Issue Date: 2001
Publisher: Japan soc analytical chemistry
Series Title: Analytical Sciences vol:17 Special Iss. SI pages:S406-S409
Abstract: Effects of lateral heat flow on photothermal spectra and the repercussions on photothermal depth profiling are investigated. Thermal conductivity depth profile reconstructions of case hardened steel samples are obtained by a neural network method which takes into account the photothermal spectral information and the pump beam characteristics. The feasibility of the method is illustrated for simulations. The method is also applied on experimental data obtained in conditions with substantial influence of three dimensional heat flow due to a finite excitation laser beam beam diameter.
ISSN: 0910-6340
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Soft Matter and Biophysics
× corresponding author
# (joint) last author

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