Holographic velocimetry using object-conjugate reconstruction (OCR): a new approach for simultaneous, 3D displacement measurement in fluid and solid mechanics
Identifieur interne : 001979 ( Main/Exploration ); précédent : 001978; suivant : 001980Holographic velocimetry using object-conjugate reconstruction (OCR): a new approach for simultaneous, 3D displacement measurement in fluid and solid mechanics
Auteurs : D. H. Barnhart [Royaume-Uni] ; V. S. S. Chan [Irlande (pays)] ; N. A. Halliwell [Royaume-Uni] ; J. M. Coupland [Royaume-Uni]Source :
- Experiments in fluids [ 0723-4864 ] ; 2002.
Descripteurs français
- Pascal (Inist)
English descriptors
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Abstract
We report on a new form of holographic metrology that enables displacement measurement in both fluid and solid mechanics simultaneously. In such instances, existing holographic methods for displacement measurement would require the application of multiple techniques in a hybrid fashion. Known as object-conjugate reconstruction (OCR), our new approach unifies the disciplines of holographic velocimetry and holographic interferometry. Using complex correlation processing, it provides a sub-wavelength resolution for all three components of displacement and enables automated data extraction at selected points throughout a volume in space
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In such instances, existing holographic methods for displacement measurement would require the application of multiple techniques in a hybrid fashion. Known as object-conjugate reconstruction (OCR), our new approach unifies the disciplines of holographic velocimetry and holographic interferometry. Using complex correlation processing, it provides a sub-wavelength resolution for all three components of displacement and enables automated data extraction at selected points throughout a volume in space</div></front></TEI><affiliations><list><country><li>Irlande (pays)</li><li>Royaume-Uni</li></country></list><tree><country name="Royaume-Uni"><noRegion><name sortKey="Barnhart, D H" sort="Barnhart, D H" uniqKey="Barnhart D" first="D. H." last="Barnhart">D. H. Barnhart</name></noRegion><name sortKey="Coupland, J M" sort="Coupland, J M" uniqKey="Coupland J" first="J. M." last="Coupland">J. M. Coupland</name><name sortKey="Halliwell, N A" sort="Halliwell, N A" uniqKey="Halliwell N" first="N. A." last="Halliwell">N. A. Halliwell</name></country><country name="Irlande (pays)"><noRegion><name sortKey="Chan, V S S" sort="Chan, V S S" uniqKey="Chan V" first="V. S. S." last="Chan">V. S. S. Chan</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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