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Pulsed TV holography: system description and some applications
Luleå tekniska universitet.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.ORCID iD: 0000-0001-8355-2414
1997 (English)In: Sensors, sensor systems and sensor data processing: [Conference on Sensors, Sensors Systems, and Sensor Data Processing], June 16-17, 1997, Munich, FRG. Sponsored by EOS, the European Optical Society... / [ed] Ottmar Loffeld, Bellingham, Wash: SPIE - International Society for Optical Engineering, 1997, p. 14-21Conference paper, Published paper (Refereed)
Abstract [en]

An all electronic double-pulsed TV holography system is described. Two separate image-plane holograms are recorded using a CCD camera. A small angular offset between the reference and object beams introduces carrier fringes in the image plane. Thus, the Fourier spectrum of the image contains distinct parts that can be filtered out and inverse transformed to yield the phase information. Experiments showing propagating transient bending waves in an aluminum plate generated by a focused laser pulse are performed. Phase maps of good quality are unwrapped and presented as 3D plots of the out-of-plane displacement. The system has also been used to evaluate the 3D distribution of transient acoustic fields in air generated by an electrical discharge. Several projections of the acoustic field is recorded and the 3D pressure field is reconstructed by computerized tomography.

Place, publisher, year, edition, pages
Bellingham, Wash: SPIE - International Society for Optical Engineering, 1997. p. 14-21
Series
Proceedings of the Society of Photo-Optical Instrumentation Engineers ; 3100
National Category
Applied Mechanics
Research subject
Experimental Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-31940Local ID: 643b5070-8bd4-11de-8da0-000ea68e967bISBN: 0-8194-2520-6 (print)OAI: oai:DiVA.org:ltu-31940DiVA, id: diva2:1005174
Conference
Conference on Sensors, Sensors Systems, and Sensor Data Processing : 16/06/1997 - 17/06/1997
Note
Godkänd; 1997; Bibliografisk uppgift: Sensors, sensor systems and sensor data processing :b June 16-17 1997, Munich, FRG /c Otmar Loffeld, chair/editor; 20090818 (andbra)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
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  • asciidoc
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