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Photorefractives for holographic interferometry and nondestructive testing
Georges, Marc
2016In Blanche, Pierre-Alexandre (Ed.) Photorefractive Organic Materials and Applications
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Keywords :
photorefractive materials; interferometry; nondestructive testing
Abstract :
[en] Thanks to its high sensitivity to displacement, holography is very well suited for metrology. In the case of holographic interferometry (HI), interference occurs between the object wavefront and a wavefront reconstructed by a hologram allowing a comparison between different objects, or different states of the same object. This chapter first discusses the importance of HI compared to other techniques such as electronic or computer based interferometry, then the author is developing various methodologies for holographic metrology, including real time, double exposure, and time averaged HI. Material considerations are covered and the specific case of photorefractive polymer and crystals are analyzed. Several experiments of nondestructive testing on industrial systems are discussed with measurement configurations relevant for thermal analysis, vibration, defect detection, and even historic artifact investigation.
Disciplines :
Physics
Author, co-author :
Georges, Marc ;  Université de Liège > CSL (Centre Spatial de Liège)
Language :
English
Title :
Photorefractives for holographic interferometry and nondestructive testing
Publication date :
2016
Main work title :
Photorefractive Organic Materials and Applications
Author, co-author :
Blanche, Pierre-Alexandre
Publisher :
Springer
ISBN/EAN :
978-3-319-29332-5
Collection name :
Springer Series in Materials Science, vol 240
Pages :
283-312
Peer reviewed :
Peer reviewed
Available on ORBi :
since 20 July 2016

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