期刊
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
卷 79, 期 2, 页码 331-333出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00339-004-2528-y
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The use of pulsed laser radiation in order to remove small particles from a substrate has gained a growing interest in the last decade, finding applications in several fields ranging from the microcircuits industry to cultural heritage restoration and conservation. The application of such a technique requires the knowledge of the correct laser irradiation parameters to be used in order to obtain a desired result avoiding substrate damage. In this paper we have studied the effect of frequency-doubled (532 nm) Nd : YAG laser radiation on clean cotton samples. We have observed that 'yellowing' is present even at low fluences. This suggests that less invasive laser assisted particle removal techniques, some of which have already been proposed by different authors, must be considered.
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