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Four-pulse interferometric recordings of transient events by pulsed TV holography
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.ORCID iD: 0000-0001-8355-2414
2003 (English)In: Optics and lasers in engineering, ISSN 0143-8166, E-ISSN 1873-0302, Vol. 40, no 5-6, p. 517-528Article in journal (Refereed) Published
Abstract [en]

With traditional double-pulsed holographic interferometry or pulsed TV holography, the experiment usually has to be repeated to allow the recording of a time sequence of interferograms of the event. With the proposed technique a sequence of four interferograms of a solitary transient event is measured. A twin oscillator, injection-seeded, pulsed Nd:YAG laser is incorporated into a pulsed TV holography set-up. With orthogonal polarisation and double pulsing of each of the two channels of the laser, four pulses are recorded on two separate CCD-frames. Four interferograms of a laser-impacted plate obtained from the same experiment, show how the bending waves develop and propagate in the plate.

Place, publisher, year, edition, pages
2003. Vol. 40, no 5-6, p. 517-528
National Category
Applied Mechanics
Research subject
Experimental Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-3332DOI: 10.1016/S0143-8166(02)00084-2ISI: 000185377100006Scopus ID: 2-s2.0-0037672624Local ID: 12475490-6f6b-11db-962b-000ea68e967bOAI: oai:DiVA.org:ltu-3332DiVA, id: diva2:976190
Note
Validerad; 2003; 20060926 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Gren, Per

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