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shearography (interferometry, analysis and testing techniques, ... Processes and Techniques (hierarchy name)) |
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Note: Nondestructive evaluation technique similar to electron speckle pattern interferometry (ESPI) used to discover cracks, deformations, and other flaws in materials. It employs coherent laser light to create an interference pattern, or speckle, on the surface it illuminates. Shearography uses the test object itself as reference, creating a sheared, or double image, which superimposes the object with speckle pattern on the sample with reference light.
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| Terms: |
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| shearography (preferred,C,U,English-P,D,U,U)
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| shearography (Dutch-P,D,U,U)
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| speckle pattern shearing interferometry (C,U,English,UF,U,U)
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| speckle shearing interferometry (C,U,English,UF,U,U)
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| speckle shearography (C,U,English,UF,U,U)
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Facet/Hierarchy Code: K.KT |
Hierarchical Position:
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Activities Facet |
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.... Processes and Techniques (hierarchy name) (G) |
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........ <processes and techniques by specific type> (G) |
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............ analysis and testing techniques (G) |
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................ interferometry (G) |
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.................... shearography (G) |
Additional Notes: |
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| Dutch ..... Niet-destructieve evaluatietechniek die lijkt op 'electron speckle pattern interferometry' (ESPI) en die wordt gebruikt om scheuren, vervormingen en andere gebreken in materialen te vinden. De techniek maakt gebruik van coherent laserlicht om een interferentie- of spikkelpatroon te creëren op het oppervlak dat het belicht. In deze techniek wordt het testobject zelf als referentie genomen, en wordt er een dubbel, 'geschoren' beeld geproduceerd waarin het object met spikkelpatroon over het monster met referentielicht wordt gelegd. |
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Sources and Contributors: |
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| speckle pattern shearing interferometry............ |
[GCI, VP] |
| ................................................................. |
Science.gov online (2014-) accessed 7 May 2014 |
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