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Digital holographic interferometry for simultaneous orthogonal radial vibration measurements along rotating shafts
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.ORCID iD: 0000-0001-8355-2414
2008 (English)In: Applied Optics, ISSN 1559-128X, E-ISSN 2155-3165, Vol. 47, no 18, p. 3269-3274Article in journal (Refereed) Published
Abstract [en]

A digital holographic interferometry setup used to measure radial vibrations along a rotating shaft is presented. A continuous Nd:YAG laser and a high-speed digital camera are used for recording the holograms. The shaft was polished optically smooth to avoid speckle noise from the rotating surface. The light reflected from the shaft was directed onto a diffuser which in turn was imaged by the holographic system. Simultaneous measurements with a laser vibrometer were performed at one point and comparisons between the signals showed good agreement. It is shown that different vibration components of a rotating shaft can be simultaneously measured with this technique.

Place, publisher, year, edition, pages
2008. Vol. 47, no 18, p. 3269-3274
National Category
Applied Mechanics
Research subject
Experimental Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-8972DOI: 10.1364/AO.47.003269ISI: 000257486700008Scopus ID: 2-s2.0-49649103158Local ID: 786b7840-36c1-11dd-8242-000ea68e967bOAI: oai:DiVA.org:ltu-8972DiVA, id: diva2:981910
Note
Validerad; 2008; 20080610 (koutat)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Tatar, KouroshGren, PerLycksam, Henrik

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