Holography with semiconductor laser sources applied to art conservation

Miniature semiconductor laser sources are used in holography for the tasks of 3-dimensional data acquisition and volumic display as well as for interferometric non-destructive diagnosis. Semiconductor lasers enable compact recording and display set-ups. Novel advanced holographic methods and compact devices fit very well for producing high quality optical replicas ofmasterpieces. Rapid holographic techniques and the use ofsemiconductor lasers permit to investigate the masterpieces at their constant locations without the need of transportation to a laboratory. Multiple examples with photographs from holograms and holographic interferograms are given in this work. Successive interferograms taken as snapshots during real time monitoring of artwork subjected to deformations are presented.

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