Article (Scientific journals)
Mobile speckle interferometer in the long-wave infrared for aeronautical nondestructive testing in field conditions
Vandenrijt, Jean-François; Thizy, Cédric; Alexeenko, Igor et al.
2013In Optical Engineering: the Journal of the Society of Photo-Optical Instrumentation Engineers, 52 (10)
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Keywords :
Speckle Interferometry; Speckle Metrology; long-wave infrared; microbolometer arrays; CO2 lasers; nondestructive testing; composite materials
Abstract :
[en] Abstract We present the development of a speckle interferometer based on CO2 laser and using a thermal infrared camera based on uncooled microbolometer array. It is intended to be used for monitoring deformations as well as flaw detection in aeronautical composites, with a smaller sensitivity to displacement compared to equivalent system using visible lasers. Moreover the long wavelength allows working with such interferometer under out-of-laboratory conditions. A mobile system has been developed on the basis of previous laboratory developments. Then it is validated in a variety of industrial nondestructive testing applications under field working conditions.
Disciplines :
Physics
Author, co-author :
Vandenrijt, Jean-François  ;  Université de Liège - ULiège > CSL (Centre Spatial de Liège)
Thizy, Cédric ;  Université de Liège - ULiège > CSL (Centre Spatial de Liège)
Alexeenko, Igor
Pedrini, Giancarlo
Rochet, Jonathan
Vollheim, Birgit
Jorge, Iagoba
Venegas, Pablo
Lopez, Ion
Osten, Wolfgang
Georges, Marc ;  Université de Liège - ULiège > CSL (Centre Spatial de Liège)
Language :
English
Title :
Mobile speckle interferometer in the long-wave infrared for aeronautical nondestructive testing in field conditions
Publication date :
October 2013
Journal title :
Optical Engineering: the Journal of the Society of Photo-Optical Instrumentation Engineers
ISSN :
0091-3286
Publisher :
International Society of Optical Engineering, Bellingham, United States - Washington
Special issue title :
Speckle Metrology
Volume :
52
Issue :
10
Peer reviewed :
Peer Reviewed verified by ORBi
European Projects :
FP7 - 213457 - FANTOM - Full-field Advanced Non Destructive Technique for On-line Thermo-Mechanical Measurements on Aeronautical Structures
Name of the research project :
FANTOM
Funders :
DG RDT - Commission Européenne. Direction Générale de la Recherche et de l'Innovation [BE]
CE - Commission Européenne [BE]
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since 20 March 2013

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