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Investigations on cleaning of black crusted sandstone using different UV-pulsed lasers

Maravelaki Pagona, Marakis, G., Zafiropulos, V., Stephan Klein, Hildenhagen, Jens, Klaus Dickmann

Πλήρης Εγγραφή

URI: http://purl.tuc.gr/dl/dias/80EB920D-E9A6-4A8D-9441-3919319CD6DC
Έτος 2000
Τύπος Δημοσίευση σε Περιοδικό με Κριτές
Άδεια Χρήσης
Λεπτομέρειες
Βιβλιογραφική Αναφορά G. Marakis, P. Maravelaki, V. Zafiropulos, S. Klein, J. Hildenhagen, K. Dickmann, “Investigations on cleaning of black crusted sandstone using different UV-pulsed lasers”, Journ. Cult. Herit., vol.1, pp. 61s-64s., Aug. 2000. doi:10.1016/S1296-2074(00)00193-X https://doi.org/10.1016/S1296-2074(00)00193-X
Εμφανίζεται στις Συλλογές
Δημοσιεύσεις σε Περιοδικά στην Κοινότητα Σχολή Αρχιτεκτόνων Μηχανικών

Περίληψη

Laser cleaning of stone is mainly based on Nd:YAG laser radiation at λ=1 064 nm. Within an international co-operation, experimental studies concerning the application of various UV-wavelengths were carried out. The studies were performed using 355 nm (3rd harmonic of Nd:YAG), 308 nm (XeCl-Excimer) and 248 nm (KrF-Excimer) and in comparison 1 064 nm (Nd:YAG fundamental). Sandstone samples from the Dresden Zwinger (Germany), called Elbsandstein, covered by a superficial black crust were used for laser ablation rate studies. The ablation rates (mg per pulse) were measured with respect to the laser fluence.

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