Laser Irradiation of Microspheres and Shard-like Chalcogenide Glass Particles on a Silica Surface

Joyce, A.; Kane, D. M.; Elliott, G.; Hewak, Daniel W.

doi:10.1109/commad.2006.4429943

Cited by 2 publications

(2 citation statements)

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“…This will soon be augmented with a Nd:YAG laser system. The KrF laser system and in-line optical microscopy system used to record before and after images of micro-scale regions of interest has been described fully elsewhere [8][9][10][11][12][13][14][15][16][17][18]. The scale of most artifacts for processing in laser conservation is macroscopic, and the resolution of most interest is that of human vision.…”

Section: Methodsmentioning

confidence: 99%

“…All of our studies have measured the laser cleaning result affected by a single laser pulse. Excellent removal efficiencies of alumina particles (0.3µm -tens of microns) and silica/glass microspheres (0.3 µm ->100 µm) from various glass surfaces using (i) high beam quality UV-copper vapour lasers [3], (ii) a XeCl excimer laser [4][5][6] and (iii) a KrF excimer laser [7][8][9][10][11][12][13][14][15][16][17] have been obtained. Single-laser-pulse fluence of the order of a few hundred mJ/cm 2 is required for laser cleaning.…”

Section: Introductionmentioning

confidence: 99%

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Pulsed laser cleaning: comparing science with art and cultural heritage applications

Kane

Fernandes

2008

High-Power Laser Ablation VII

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Laser cleaning research at Macquarie University has concentrated on a "hard science" approach to research and development of processes for optics and microphotonics applications (removing contaminants from optical materials). In more recent times we have carried out pulsed laser cleaning and processing studies for conservation of articles from Indigenous Australian cultural heritage. This paper introduces our research on laser cleaning of optical materials using UV pulsed lasers, and related surface modification and laser processing outcomes. It then introduces and reports some results from the laser conservation studies along with discussion of how activity in these two contrasting areas have informed our approach to the laser conservation studies, and vice versa.

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