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Issue J. Phys. Colloques
Volume 44, Number C6, Octobre 1983
Spectroscopie Photoacoustique et Photothermique / Photoacoustic and Photothermal Spectroscopy
Page(s) C6-471 - C6-474
DOI http://dx.doi.org/10.1051/jphyscol:1983676

Spectroscopie Photoacoustique et Photothermique / Photoacoustic and Photothermal Spectroscopy

J. Phys. Colloques 44 (1983) C6-471-C6-474

DOI: 10.1051/jphyscol:1983676

THERMAL WAVE NONDESTRUCTIVE DEPTH PROFILING WITH STEREOSCOPIC PHOTOTHERMAL DETECTION

G. Busse

Institut für Physik, Fachbereich Elektrotechnik, Hochschule der Bundeswehr München, D-8014 Neubiberg, F.R.G.


Résumé
Un montage stéréoscopique pour l'analyse en profondeur par onde thermique est présenté. Pour de l'aluminium la précision est de 0,1 mm pour des trous de 0,4 mm de diamètre à des profondeurs comprises entre 0,4 et 1,5 mm.


Abstract
Experimental results are shown for depth resolved thermal wave analysis in a stereoscopic arrangement. On an aluminum sample it is found that depth accuracy is about 0.1 mm for 0.4 mm diameter holes in depths between 0.4 mm and 1.5 mm.





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