IR Digital Holography for Remote Sensing of Structures
Year: 2023
Authors: Pugliese E., Locatelli M., Bocchi F., Poggi P., Jafrancesco D., Falzone G., Signorini N., Spina D., Meucci R.
Autors Affiliation: CNR INO, I-50125 Florence, Italy; Civil Protect Dept DPC, I-00189 Rome, Italy; Reg Toscana, Settore Sism, I-50129 Florence, Italy.
Abstract: In this article, we present a comparison between the data obtained by infrared digital holography (IRDH) and conventional accelerometers in order to evaluate the structural stability of buildings. The tests have carried out on historical buildings located in Tuscany (Italy) under the continuous surveillance of the Italian Civil Protection Department (DPC) by means of accelerometers networks. From the comparison, it emerges that the holographic technique can be profitably used in the field of dynamical analysis of structures thanks to its high sensitivity and to the possibility to operate from remote. Indeed, the holographic technique is able to detect micromovements of the order of 1/100 of the used laser wavelength at 10.6 µm without entering the structures.
Journal/Review: IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING
Volume: 61 Pages from: 1 to: 7
More Information: This work was supported in part by Regione Toscana.KeyWords: CO2 laser, infrared digital holography (IRDH), operational modal analysis (OMA)DOI: 10.1109/TGRS.2023.3239618Citations: 2data from “WEB OF SCIENCE” (of Thomson Reuters) are update at: 2024-10-27References taken from IsiWeb of Knowledge: (subscribers only)Connecting to view paper tab on IsiWeb: Click here