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Dynamic holographic interferometry with photorefractive crystals : review of applications and advanced techniques
Georges, Marc; Thizy, Cédric; Scauflaire, W. et al.
2003In Gastinger, K.; Lokberg, O.; Winther, S. (Eds.) Speckle Metrology 2003
 

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Abstract :
[en] We will present the basic properties of photorefractive crystals and show how they can be used efficiently in holographic interferometry experiments. We then will present some holographic systems and their numerous applications. With continuous illumination, we will show classical non destructive testing (defect detection), displacement metrology, vibration mode shape visualization, as well as a study for the use of photorefractive crystals in microgravity monitoring of fluid (FSL experiment aboard the International Space Station). With pulsed illumination we will present the possibilities of the photorefractive crystals in vibration measurement (and will introduce the ongoing EC-funded PHIFE research project). The purpose of the paper is to unmystify photorefractive crystals and to show that they could be a good alternative to traditional speckle-based techniques for highly demanding applications. For that we will highlight the highest resolution achieved as well as the high temporal dynamics of the holographic recording
Disciplines :
Physics
Author, co-author :
Georges, Marc ;  Université de Liège - ULiège > CSL (Centre Spatial de Liège)
Thizy, Cédric ;  Université de Liège - ULiège > CSL (Centre Spatial de Liège)
Scauflaire, W.
Ryhon, S.
Pauliat, G.
Lemaire, Philippe ;  Université de Liège - ULiège > CSL (Centre Spatial de Liège)
Roosen, G.
Language :
English
Title :
Dynamic holographic interferometry with photorefractive crystals : review of applications and advanced techniques
Publication date :
June 2003
Event name :
Speckle Metrology 2003
Event organizer :
SINTEF
NTNU
Event place :
Trondheim, Norway
Event date :
18-20 June 2003
Audience :
International
Main work title :
Speckle Metrology 2003
Editor :
Gastinger, K.
Lokberg, O.
Winther, S.
Publisher :
Society of Photo-Optical Instrumentation Engineers, Bellingham, WA, United States
ISBN/EAN :
9780819447289
Collection name :
Proceedings of the Society of Photo-Optical Instrumentation Engineers, Vol. 4933
Pages :
250-255
Available on ORBi :
since 29 November 2010

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