Pulsed thermography was exploited to identify the presence of glass defects in order to get an indication of the conservation status of archaeological glass. Indeed, the process of degradation in artifacts subjected to centuries of burial can be of great relevance. More specifically, we evaluated the potential of pulsed thermography to map the presence of flakes in archaeological glass. This was achieved by comparing different heating setups and signal-processing algorithms. Tests were carried out previously on glass mockups with surface defects and then on archaeological artifacts.
Visualization of defects in glass through pulsed thermography / J. Melada, N. Ludwig, F. Micheletti, J. Orsilli, M. Gargano, E. Grifoni, L. Bonizzoni. - In: APPLIED OPTICS. - ISSN 1559-128X. - 59:17(2020 Jun), pp. E57-E64. ((Intervento presentato al 15. convegno Advanced infrared technology and applications - AITA tenutosi a Firenze nel 2019 [10.1364/AO.388469].
Visualization of defects in glass through pulsed thermography
J. MeladaData Curation
;N. Ludwig
Writing – Original Draft Preparation
;M. GarganoWriting – Review & Editing
;E. GrifoniMembro del Collaboration Group
;L. BonizzoniFormal Analysis
2020
Abstract
Pulsed thermography was exploited to identify the presence of glass defects in order to get an indication of the conservation status of archaeological glass. Indeed, the process of degradation in artifacts subjected to centuries of burial can be of great relevance. More specifically, we evaluated the potential of pulsed thermography to map the presence of flakes in archaeological glass. This was achieved by comparing different heating setups and signal-processing algorithms. Tests were carried out previously on glass mockups with surface defects and then on archaeological artifacts.File | Dimensione | Formato | |
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