2026-06-21T17:56:42Zhttps://riubu.ubu.es/oai/request

oai:riubu.ubu.es:10259/78722023-10-17T00:05:32Zcom_10259.4_2551com_10259_5086com_10259_2604com_10259_6201col_10259.4_2552col_10259_6202

Rahman, Md. Ashiqur Fuente Leis, Germán F. de la Carretero Díaz, José Miguel Alonso Abad, Mª Pilar Navazo Ruiz, Marta Alonso Alcalde, Rodrigo Chapoulie, Rémy Schiavon, Nick Angurel Lámban, Luis Alberto 2023-10-16T11:10:14Z 2023-10-16T11:10:14Z 2023-05 0167-577X http://hdl.handle.net/10259/7872 10.1016/j.matlet.2023.134028 This work reports on studies aimed to evaluate the utilization of ultrashort 238 fs (fs) pulsed UV laser emission at 343 nm for eliminating colored crusts and surface deposits on significant Cretaceous flint surfaces, in an attempt to safeguard its aesthetic appearance and archaeological value. The results indicate that fs UV lasers may be an ideal, non-contact tool for selective surface cleaning of sensitive archaeological artefacts, since they enable contaminant desorption while avoiding photothermal damage. Project supported by H2020-MSCA-ITN-EJD/ED-ARCHMAT funding under the Marie Skłodowska-Curie Actions grant agreement, No. 766311 and by Gobierno de Aragón (research group T54_20R). application/pdf eng Elsevier Materials Letters. 2023, V. 338, 134028 https://doi.org/10.1016/j.matlet.2023.134028 info:eu-repo/grantAgreement/EC/H2020/766311/EU/European Doctorate in ARchaeological and Cultural Heritage MATerials science/ED-ARCHMAT/ Attribution-NonCommercial-NoDerivatives 4.0 Internacional http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess Femtosecond UV laser Laser cleaning Flint Sierra de Atapuerca Tecnología Física Arqueología-Burgos Technology Physics Archaeology-Burgos Ultrashort pulsed Femtosecond UV laser for selective cleaning of significant Cretaceous flints info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Materials Letters 338 134028