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Void formation in glasses

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posted on 2024-07-09, 23:07 authored by Tomohiro Hashimoto, Saulius JuodkazisSaulius Juodkazis, Hiroaki Misawa
Void formation as a result of a single tightly focused femtosecond pulse irradiation has been systematically studied in commercial optical-grade glasses of different composition. Correlations between the composition, mass density, glass transition temperature and Young modulus of glass with the void formation threshold have been revealed. The pulse energy necessary to form a void was found reciprocal to the amount of glass-forming oxide in the case of silicate, phosphate and borate glasses. The larger is the bond strength (the cohesion energy per bond) of the glass-forming oxide, the lower is the threshold energy of the pulse, at which the void is formed after a single pulse irradiation.

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ISSN

1367-2630

Journal title

New Journal of Physics

Volume

9

Article number

article no. 253

Publisher

Institute of Physics Publishing

Copyright statement

Copyright © 2007 IOP Publishing Ltd and Deutsche Physikalische Gesellschaft. The published version is reproduced in accordance with the copyright policy of the publisher.

Language

eng

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