Institutional Repository
Technical University of Crete
Technical University of Crete
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| URI: | http://purl.tuc.gr/dl/dias/80EB920D-E9A6-4A8D-9441-3919319CD6DC | ||
| Year | 2000 | ||
| Type of Item | Peer-Reviewed Journal Publication | ||
| License |
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| Bibliographic Citation | 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 | ||
| Appears in Collections |
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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