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System for acquisition of three-dimensional shape and movement using digital Light-in-Flight holography
KTH, Superseded Departments (pre-2005), Production Engineering. (Industrial Metrology and Optics)
KTH, School of Industrial Engineering and Management (ITM), Production engineering. (Industrial Metrology and Optics)
KTH, School of Industrial Engineering and Management (ITM), Production engineering. (Industrial Metrology and Optics)ORCID iD: 0000-0002-4288-2190
2001 (English)In: Optical Engineering: The Journal of SPIE, ISSN 0091-3286, E-ISSN 1560-2303, Vol. 40, no 1, p. 67-75Article in journal (Refereed) Published
Abstract [en]

In the development of new products there are two parallel lines for the development process to follow: the traditional or "real" and the new computer aided or "virtual." The traditional line is to develop prototypes that can be used for testing strength, functionality, and visual appearance of the product. In the virtual line digital (CAD) models are developed that can be tested entirely in a computer by simulations, e.g., using finite element analysis (FEA) and other tools. For transformation from the real to the virtual world some kind of 3-D acquisition system is needed. The shape of the model should be measured together with further data concerning the visual appearance, material properties, etc. We develop electronic recording techniques for doing this based on the Light-in-Flight technique. This technology has all the advantages of holography, i.e., apart from the shape it is also possible to measure how much light is reflected from different parts of the object along with interferometric information, which can give mechanical data for the object. This can be used, for example, for visualization and to give tactile and haptic information to a virtual reality system about how the object would be perceived by a person touching it.

Place, publisher, year, edition, pages
SPIE-Intl Soc Optical Eng , 2001. Vol. 40, no 1, p. 67-75
Keywords [en]
holography, Light-in-Flight, digital holography, holographic interferometry, three-dimensional shape measurement, three-dimensional displacement measurement, tactile sensors, haptic systems, numerical reconstruction, interferometry, deformation, stereograms
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:kth:diva-20339DOI: 10.1117/1.1331272ISI: 000166807400010Scopus ID: 2-s2.0-0035060016OAI: oai:DiVA.org:kth-20339DiVA, id: diva2:339034
Note

QC 20231023

Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2023-10-23Bibliographically approved

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Carlsson, Torgny E.Gustafsson, Jonny

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  • apa
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