vibrometry

Physics

From traditional to technical: using laser Doppler vibrometry to preserve frescoes

U.S. Capitol fresco detection color map. Lighter colors indicate greater vibrations in the plaster and therefore delamination. Credit: Nick Ganemi Fresco is an ancient technique in which dry pigments are applied to wet plaster to create stunning works of art that can be preserved for centuries. However, over time, these masterpieces often face deterioration due to delamination, where the decorative…