Study of thermal accumulation in glass welding using ultrafast laser at high repetition rate

Baptiste De Azevedo; David Pallarés-Aldeiturriaga; Frédéric Antoni; Armel Bahouka; Sylvain Lecler

doi:10.1117/12.3017956

20 June 2024 Study of thermal accumulation in glass welding using ultrafast laser at high repetition rate

Baptiste De Azevedo, David Pallarés-Aldeiturriaga, Frédéric Antoni, Armel Bahouka, Sylvain Lecler

Author Affiliations +

Proceedings Volume PC13005, Laser + Photonics for Advanced Manufacturing ; PC130050O (2024) https://doi.org/10.1117/12.3017956
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

Femtosecond laser welding of glass has numerous advantages, such as high mechanical resistance and high temperature tolerances without adding new material. In this context, an innovative way to join glass using a long focal lens of 100 mm has been developed. The advantages of using such a lens are clear: a drastic diminution of the thermal gradient and a slow thermal accumulation allowing crack free joining thanks to the larger focal volume, and a more robust process thanks to the long Rayleigh length. The study of the thermal accumulation process will be presented.

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Citation Download Citation

Baptiste De Azevedo, David Pallarés-Aldeiturriaga, Frédéric Antoni, Armel Bahouka, and Sylvain Lecler "Study of thermal accumulation in glass welding using ultrafast laser at high repetition rate", Proc. SPIE PC13005, Laser + Photonics for Advanced Manufacturing , PC130050O (20 June 2024); https://doi.org/10.1117/12.3017956

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