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Proceedings Paper

Joining of transparent materials by femtosecond laser pulses
Author(s): Wataru Watanabe; Satoshi Onda; Takayuki Tamaki; Kazuyoshi Itoh
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Paper Abstract

When a femtosecond laser pulse is focused at the interface of two transparent substrates, localized melting and quenching of the two substrates occur around the focal volume due to nonlinear absorption. The substrates can then be joined by resolidification of the materials. We demonstrate the joining of similar and dissimilar glass substrates using a 1-kHz 800-nm Ti:sapphire amplifier. We investigated the laser parameter to join transparent substrates and characterized the joint strength and the transmittance through joint volumes.

Paper Details

Date Published: 13 March 2007
PDF: 6 pages
Proc. SPIE 6460, Commercial and Biomedical Applications of Ultrafast Lasers VII, 646017 (13 March 2007); doi: 10.1117/12.698906
Show Author Affiliations
Wataru Watanabe, National Institute of Advanced Industrial Science and Technology (Japan)
Satoshi Onda, Osaka Univ. (Japan)
Takayuki Tamaki, Osaka Univ. (Japan)
Kazuyoshi Itoh, Osaka Univ. (Japan)

Published in SPIE Proceedings Vol. 6460:
Commercial and Biomedical Applications of Ultrafast Lasers VII
Joseph Neev; Stefan Nolte; Alexander Heisterkamp; Christopher B. Schaffer, Editor(s)

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