Joining of transparent materials by femtosecond laser pulses

Wataru Watanabe; Satoshi Onda; Takayuki Tamaki; Kazuyoshi Itoh

doi:10.1117/12.698906

13 March 2007 Joining of transparent materials by femtosecond laser pulses

Wataru Watanabe, Satoshi Onda, Takayuki Tamaki, Kazuyoshi Itoh

Proceedings Volume 6460, Commercial and Biomedical Applications of Ultrafast Lasers VII; 646017 (2007) https://doi.org/10.1117/12.698906
Event: Lasers and Applications in Science and Engineering, 2007, San Jose, California, United States

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.

Citation Download Citation

Wataru Watanabe, Satoshi Onda, Takayuki Tamaki, and Kazuyoshi Itoh "Joining of transparent materials by femtosecond laser pulses", Proc. SPIE 6460, Commercial and Biomedical Applications of Ultrafast Lasers VII, 646017 (13 March 2007); https://doi.org/10.1117/12.698906

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