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Two wavelength simu...
Two wavelength simultaneous DSPI and DSP for 3D displacement field measurements
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- Bhaduri, Basanta (författare)
- National University of Singapore
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- Tay, C.J. (författare)
- National University of Singapore
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- Quan, C. (författare)
- National University of Singapore
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- Niu, H. (författare)
- National University of Singapore
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- Sjödahl, Mikael (författare)
- Luleå tekniska universitet,Strömningslära och experimentell mekanik
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(creator_code:org_t)
- Elsevier BV, 2011
- 2011
- Engelska.
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Ingår i: Optics Communications. - : Elsevier BV. - 0030-4018 .- 1873-0310. ; 284:10-11, s. 2437-2440
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- A novel optical system is proposed that implements digital speckle pattern interferometry (DSPI) and digital speckle photography (DSP) simultaneously using two wavelength illumination of an object for simultaneous measurement of all three components of the displacement vector field. A collimated red light illuminates both the object and a reference surface in a DSPI configuration which is sensitive to out-of-plane displacement field while a blue light illuminates the object in a DSP configuration which is sensitive to in-plane displacement fields. A color 3-CCD camera records the red and blue lights individually through its red and blue channels, respectively. Two reference images and one image in the deformed state of the object are required for quantitative measurement. Experimental results are presented to validate the system.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Teknisk mekanik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Applied Mechanics (hsv//eng)
Nyckelord
- Experimentell mekanik
- Experimental Mechanics
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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