Description
Using the self-interference produced when coherent light strikes a diffusing surface, techniques are employed that allow the detection of nanometre-amplitude motion of the objects under analysis. This allows vibrations and sound to be measured over large distances.
Keywords
vibrations, sound, speckle, mottling, interference, image, optics
Manager UV
- Garcia Monreal, Francisco Javier
- PDI-Catedratic/a d'Universitat
Frascati classification
