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Combining spectral material properties in the infrared and the visible spectral range for qualification and nondestructive evaluation of components

: Eisler, Konstantin; Goldammer, Matthias; Rothenfusser, Max; Arnold, Walter; Homma, Christian


Thompson, D.O. ; American Institute of Physics -AIP-, New York:
Review of progress in quantitative nondestructive evaluation. Vol.31. Pt.A : 38th Annual Review of Progress in Quantitative Nondestructive Evaluation, University of Vermont, Burlington, VT, U.S.A, July 17-22, 2011
Woodbury, NY: AIP Press, 2012 (AIP Conference Proceedings 1430)
ISBN: 978-0-7354-1014-5
ISBN: 978-0-7354-1013-8
ISBN: 0-7354-1013-5
Annual Review of Progress in Quantitative Nondestructive Evaluation (QNDE) <38, 2011, Burlington/Vt.>
Fraunhofer IZFP ()
IR hybrid camera; VIS imaging; spectrally resolved IR imaging

The spectral selective thermography with infrared filters can be used to determine or to distinguish materials such as contaminations on a metallic component. With additional visual information, the indications by the IR signal can be selectively accentuated or suppressed for easier evaluation of passive and active thermography measurements. For flash thermography the detected IR signal between 3.4 and 5.1 µm is analyzed with regard to the spectral material information. The presented hybrid camera uses beam overlapping to obtain combined images of both in the infrared and the visual range.