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Patent (Patents)
Low coherence interferometric system for phase stepping shearography combined with 3D profilometry
Blain, Pascal; Renotte, Yvon; Habraken, Serge et al.
2014
 

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Keywords :
Low coherence interferometric system; Shearography; 3D profilometry
Abstract :
[en] The present invention relates to a portable industrial instrument for performing, in an integrated and two-way manner, an interferometric fringe projection and shearography, on a object to be tested, so that, when the two-way interferometer is associated with the coherent or quasi-coherent projection device, the instrument is able to measure the 3D shape of the object by interferometric fringe projection, also known as moiré method, and, when the two-way interferometer is associated with the recording or imaging device, the instrument is able to perform shearographic measurements on the object.
Research center :
HOLOLAB - Université de Liège (B)
Disciplines :
Engineering, computing & technology: Multidisciplinary, general & others
Inventor :
Blain, Pascal ;  Université de Liège - ULiège > CSL (Centre Spatial de Liège)
Renotte, Yvon  ;  Université de Liège - ULiège > Département de physique > Optique - Hololab
Habraken, Serge ;  Université de Liège - ULiège > Département de physique > Optique - Hololab
Waroux, Pascal;  CMI - Seraing
Language :
English
Title (54) :
Low coherence interferometric system for phase stepping shearography combined with 3D profilometry
Publication date (43-45) :
28 October 2014
Filing date (22) :
04 December 2012
Patent/publication number (10-11) :
US 8,873,068 B2
Patent status (13) :
B
Priority number (30) :
Dec. 5, 2011 (EP) / 111.91890
International classification (IPC) (51) :
G0IB 9/02 (2006.01) G0IB II/I6 (2006.01) G0IB II/25 (2006.01)
European classification (ECLA) (52) :
G0IB 11/162 (2013.01); G0IB 9/02098 (2013.01); G0IB 2.290/70 (2013.01); G0IB II/2527 (2013.01); G0IB 9/0203 (2013.01); G0IB 9/02095 (2013.01)
Applicant (71) :
Pascal Blain, Liege (BE))
Yvon Renotte, Embourg (BE)
Serge Habraken, Comblain-au-Pont (BE)
Pascal Waroux, Verlaine (BE)
Publication organism (19) :
Cockerill Maintenance & Ingenierie S.A., Seraing (BE)
Name of the research project :
Plan Marshall de la Région Wallonne: projet MINT – Maintenance INTelligente en sidérurgie (janvier 2008 – décembre 2011). EP US CN JP PT US8873068B2
Funders :
CMI Group (Cockerill Maintenance & Ingénierie) - Seraing (B)
Available on ORBi :
since 10 September 2021

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