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Method for fringe e...
Method for fringe enhancement in holographic interferometry for measurement of in-plane displacements
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- Carlsson, Torgny E. (author)
- Industrial Metrology
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- Gustafsson, Jonny (author)
- Industrial Metrology
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- Abramson, Nils H., 1931- (author)
- Industrial Metrology
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(creator_code:org_t)
- 1998-04-01
- 1998
- English.
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In: Applied Optics. - : Optical Society of America. - 0003-6935 .- 1539-4522. ; 37:10, s. 1845-1848
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Theoretical background along with experimental results are given for a simple method for in-plane fringe enhancement in dual-beam illumination holographic interferometry. In this method, the fringes representing in-plane displacements arise as a moirépattern between two interferograms. To distinguish the in-plane displacement, a sequence of images is recorded while the reference mirror is continuously tilted at random. The in-plane fringes arethen found as the maximum contrast of the out-of-plane fringes in the image sequence. The resulting fringe quality is close to the quality of the out-of-plane fringes.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Teknisk mekanik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Applied Mechanics (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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