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Conferences > CLEO_AT > 2017 > ATu4C > ATu4C.3

Laser glass cutting by spatio-temporal control of energy deposition using bursts of femtosecond pulses

K. Mishchik, J. Lopez, O. Dematteo Caulier, G. Duchateau, B. Chassagne, R. Kling, C. Hoenninger, and E. Mottay

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Abstract

We demonstrate the beneficial effect of femtosecond bursts for energy concentration during volume processing of transparent material. By single pulse energy redistribution in burst sub-pulses, nonlinear effects can be significantly reduced. A 25 ns time delay between sub-pulses leads to temperature high enough to induce in-volume crack. These cracks can be controlled to obtain high speed and high quality glass cutting.

© 2017 Optical Society of America

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