High throughput fs-pulsed-glass welding via spiral scanning system

Gizem Alpakut; Ibrahim Atespare; M. Burcin Unlu; Seydi Yavas

doi:10.1117/12.2578557

8 March 2021 High throughput fs-pulsed-glass welding via spiral scanning system

Gizem Alpakut, Ibrahim Atespare, M. Burcin Unlu, Seydi Yavas

Proceedings Volume 11674, Laser-based Micro- and Nanoprocessing XV; 116740M (2021) https://doi.org/10.1117/12.2578557
Event: SPIE LASE, 2021, Online Only

Abstract

We have built a fs laser welding setup with a custom built fs laser having adjustable parameters integrated to a scanning scheme including a linear translation stage and a simple stepper motor to obtain spiral scanning. We have obtained successful results with both raster scan and spiral scan using borofloat glass samples and compared them in terms of homogeneity and total elapsed time. We obtained better results in the case of spiral scanning. The modifications that have formed during spiral scanning were more homogeneous owing to the continuous motion between the start and end points and no apparent stress load were visible. We also investigated parameter space by adjusting rotation frequency and translation velocity and achieved successful welding results with 750 mm/s linear velocity, having >509.19 mm/s/W efficiency. These are the highest speed and efficiency welding results to our knowledge.

Conference Presentation

Citation Download Citation

Gizem Alpakut, Ibrahim Atespare, M. Burcin Unlu, and Seydi Yavas "High throughput fs-pulsed-glass welding via spiral scanning system", Proc. SPIE 11674, Laser-based Micro- and Nanoprocessing XV, 116740M (8 March 2021); https://doi.org/10.1117/12.2578557

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