OPTICS & PHOTONICS International Congress 2024

講演情報

SLPC2024 » Oral Presentation

Ultrashort Pulsed Laser Processing

2024年4月23日(火) 13:15 〜 15:00 416+417 (Pacifico Yokohama Conference Center)

Session Chair: Masaki Hashida (Tokai University), Masahito Katto (University of Miyazaki)

13:15 〜 13:45

[SLPC3-01(Invited)] Ultra-Short Pulsed Laser Ablation of Metals with Burst Pulses: Concepts, Opportunities and Misconceptions

*Beat Neuenschwander1, Stefan M. Remund1, Daniel J. Foerster2 (1. Institute for Applied Laser, Photonics and Surface technologies ALPS, Bern University of Applied Sciences, Switzerland, 2. LightPulse LASER PRECISION, Germany)

The idea of burst pulses is to divide a high pulse energy into several individual pulses that follow each other at short intervals (a few 10 ns up to a few 100 ps). Thus, each individual pulse in the burst gets closer to the optimal fluence associated with a maximal conversion of the pulse energy. Compared to a process with high-energy single pulses, the process with burst pulses becomes significantly more efficient at the same laser repetition rate.

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