Characterization of Laser Cleaning of Artworks

Marczak, J.; Koss, Andrzej; Targowski, Piotr; Gora, Michalina J.; Strzelec, Marek; Sarzyński, A.; Skrzeczanowski, Wojciech; Ostrowski, Roman; Rycyk, Antoni

doi:10.3390/s8106507

Cited by 44 publications

(25 citation statements)

References 46 publications

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“…During the laser ablation of material, measurements performed by the laser interferometry technique demonstrate that ablation induced high pressure on the surfaces of analyzed samples, which can provoke the appearance of delocalized defects formation [14].…”

Section: Laser Irradiationmentioning

confidence: 99%

Easel paintings on canvas and panel: application of Nd:YAG laser at 355 nm, 1064 nm and UV, IR and visible light for the development of new methodologies in conservation

Striber¹,

Jovanović²,

Jovanović³

2017

Proceedings of the International Conference LACONA XI

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Laser cleaning has been applied in the conservation of objects of cultural heritage since the early 1980s. Nowadays its technology is the object of many scientific studies. Laser can be applied on different objects of cultural heritage, while for objects with specific problems, in some cases, it is even indispensable. However, it has not yet become part of the standard procedure in the conservation studios. Despite the existence of an adequate legal framework and the scientific achievements in this field, the main conservation laboratories in Europe are still insufficiently equipped. The general objective of this article is to join the efforts of other institutions in promoting the concept of modern approach to heritage conservation, which could be defined as a combination of art, science and technology. Therefore, it presents an equipment that can meet these requirements and is both available and economically acceptable. This equipment was applied in two case studies of the conservation of objects with specific problems. The subject of research and conservation were two works of art: the painting Portrait of Jelena Milojevic with her daughters from 1922, the work of the Russian painter Valentin V. Volkov, and the Ukrainian icon Holy Mother of God from the 19th century. Portrait of Jelena Milojevic with her daughters: by observing the results of chemical cleaning tests under the UV light, it was concluded that due to the very high sensitivity of some pigments it was impossible to apply this methodology on such delicate surfaces. The laser cleaning, which had already proved to be an acceptable alternative for chemical cleaning of easel paintings, was the only solution in this case. Icon Holy Mother of God: the icon was made with a technique of egg tempera in the 19th century in Ukraine. A bronze coating was subsequently added on the aureoles, below which there was a gilding sheet. This sheet was poorly linked to the preparation layer so that any intervention, whether it was mechanical, chemical or laser cleaning, would have caused its removal together with the bronze coating. But when the surface layer was first irradiated at 1064 nm, the added layer of coating was separated from the original layer, which allowed, subsequently, an easy mechanical removal of unwanted layers. Combination treatment of the aureoles using two techniques -laser cleaning and mechanical removal -is faster and more uniform than in the case of treatment by other techniques.

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Section: Laser Irradiationmentioning

confidence: 99%

Easel paintings on canvas and panel: application of Nd:YAG laser at 355 nm, 1064 nm and UV, IR and visible light for the development of new methodologies in conservation

Striber¹,

Jovanović²,

Jovanović³

2017

Proceedings of the International Conference LACONA XI

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“…The laser cleaning systems contributed to the increasing applications of lasers in conservation, particularly during recent ten to fifteen years [111]. The laser cleaning technique utilizes intense laser radiation to selectively contaminants removal from a solid surface while leaving the underlying substrate largely unaffected [109][110][111]. The technique exploits differences in the optical and thermal properties of the underlying substrate and the contaminant layer as well as the ability of precise control material heating depths and removal rates by controlling laser beam parameters such as pulse time (or scan rate), wavelength, and fluence (or intensity).…”

Section: Laser Cleaningmentioning

confidence: 99%

Section: Laser Cleaningmentioning

confidence: 99%

“…The typical industrial applications of laser cleaning include oxide and coating removal, tool cleaning, removal of grease and paint, as well as adhesion promoting pre-treatments for welding, gluing, and painting [104][105][106][107][108][109][110][111][112][113][114][115][116]. The laser cleaning can also be used for efficient removal of very small particles from delicate substrates such as silicon wafers and photolithographic masks [110][111][112][113][114]. The application of laser technique gives possibility of almost full control of the encrustation removal process at the surface of art works.…”

Section: Laser Cleaningmentioning

confidence: 99%

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Laser modification of the materials surface layer – a review paper

Kusiński¹,

Kąc²,

Kopia³

et al. 2012

Bulletin of the Polish Academy of Sciences: Technical Sciences

109

105

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Abstract. The state of laser processing in surface materials modification in Poland is reported, based on own experience, coworkers and coauthors results, as well the literature review. The curriculum concerning historical development of lasers and laser technology in Poland, laser-matter interaction, as well basis of different laser techniques applied in materials surface engineering (solid state hardening, melting, alloying, cladding, ablation, shot peening, cleaning and texturing) are reviewed, and compared with results of coauthors, as well with a wide range of Polish authors papers. Finally, it is concluded that overall state of research on laser application in surface engineering in Poland is well developed and still growing industrial application is observed.

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“…Continued on next page well-established laser cleaning of stones, 7 in which dark crust ablation from white stone is self-terminated, varnish ablation requires an effective way to monitor the remaining lacquer layer's thickness. We have found that OCT can be used for both realtime monitoring and post-process inspection.…”

mentioning

confidence: 99%