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Recent applications of TV holography and shearography
Indian Institute of Technology.
Luleå tekniska universitet.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.
1996 (English)In: Laser Interferometry VIII: Applications, Bellingham, Wash.: SPIE - International Society for Optical Engineering, 1996Conference paper, Published paper (Refereed)
Abstract [en]

TV holography is used to measure the components of the deformation vector, whereas TV shearography is used to obtain the derivatives of the displacement components. In this paper, we highlight a novel approach to split the CCD into two parts which enables to extract entirely different information from a single experimental configuration. A holo-shearography configuration provides simultaneous measurement of out-of-plane displacement and its slope change in real time. Similarly a holo-comparative configuration multiplexes an out-of-plane displacement configuration and a comparative interferometric configuration. Few experimental results using both these configurations are presented. In addition TV holography is implemented for vibration studies on an Indian classical musical instrument--Veena. The preliminary studies on a model veena are demonstrated

Place, publisher, year, edition, pages
Bellingham, Wash.: SPIE - International Society for Optical Engineering, 1996.
Series
Proceedings of SPIE, the International Society for Optical Engineering, ISSN 0277-786X ; 2861
National Category
Applied Mechanics
Research subject
Experimental Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-28150DOI: 10.1117/12.245173Local ID: 1d8ad230-01f3-11dc-ad0a-000ea68e967bISBN: 9780819422491 (print)OAI: oai:DiVA.org:ltu-28150DiVA, id: diva2:1001345
Conference
Laser interferometry : 08/08/1996 - 08/08/1996
Note
Godkänd; 1996; 20070514 (cira)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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Molin, Nils-Erik

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