, Volume 106, Issue 2, pp 257-263
Date: 19 Nov 2011

Nonlinear imaging and THz diagnostic tools in the service of Cultural Heritage

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Abstract

We present the use of novel nonlinear imaging, terahertz time-domain spectroscopy and imaging as powerful diagnostic tools for studies of works of art. It is shown that nonlinear imaging offers precise in-depth information, while terahertz imaging can reveal hidden objects and uncover information on highly absorbing organic compounds whose visualization is difficult in other parts of the spectrum.