The Application of Digital Holographic Speckle Pattern Interferometry to the Structural Condition Study of a Plaster Sample
Kyriaki Kosma,
Vivi Tornari
Abstract:We use non-destructive Digital Holographic Speckle Pattern Interferometry (DHSPI), post-processing image analysis and one-dimensional exponential analysis to visualize, map and describe the structural condition of a plaster-based material. The body is heated by infrared radiation for two different time windows and the cooling process that follows is monitored in time by the so-called interferograms that are developed and are the result of the superposition of the holographic recordings of the sample prior to t… Show more
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