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Pulsed thermography in multiple infrared spectral bands

 
: Netzelmann, U.; Abuhamad, M.

:

Glorieux, C. ; Institute of Physics -IOP-, London:
15th International Conference on Photoacoustic and Photothermal Phenomena, ICPPP 2009 : 19-23.07.2009, Leuven
Bristol: IOP Publishing, 2009 (Journal of physics. Conference series 214.2009, Nr.1)
ISSN: 1742-6588
Paper 012095
International Conference on Photoacoustic and Photothermal Phenomena (ICPPP) <15, 2009, Leuven>
Englisch
Konferenzbeitrag, Zeitschriftenaufsatz
Fraunhofer IZFP ()

Abstract
Spectrally resolved active thermography by flash pulse excitation was performed in four sub-bands of a mid-wave infrared camera using spectral filtering and in the full long-wave band of a second infrared camera. On zirconia thermal barrier coatings on steel and PVC blocks, spectrally dependent decay rates of the thermal contrast were found. The observed behaviour can be explained by the infrared spectra of the specimens.

: http://publica.fraunhofer.de/dokumente/N-128888.html