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MFA# 2008.30


Two views of mouse in hologram; Credit Georg-Johann Lay

Holography is a technique that allows the light scattered from an object to be recorded and later reconstructed so that when an imaging system (a camera or an eye) is placed in the reconstructed beam, an image of the object will be seen even when the object is no longer present (cf Wikipedia). As a non destructive testing method, holography consists in visualising the interference image between the image of a still object (with no constraint) and the image of the same object supporting a mechanical constraint, which can be induced by a mechanical force, a heat source, or a pressure modification. This method permits to detect delaminations, unbondings, etc.

Synonyms and related terms

holografie (Ned., Deut.); holographie (Fr., Deut.); olografia (It.); holografia (Esp.); holografi (Sven.)

Resources and Citations

  • P.Carelli, D.Paoletti, G.Spagnolo "Multiple Source Holography for Artwork Erosion Measurements" Studies in Conservation 35:64-68, 1990.

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