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Femtosecond Laser Drilling

Article

Article

…of the heat affected zone is independent of pulse duration. Keywords: Ultrafast laser ablation; ablation rate; femtosecond lasers; laser material processing; heat affected zone; 1. Introduction The use of ultrafast lasers for industrial material processing has increased considerably in the last ten…

Information Display Magazine September/October 2017, Vol. 33, No. 5 issue

Information Display Magazine September/October 2017, Vol. 33, No. 5 issue

lasers with pulse widths in the nanosecond range, or ultra-short-pulse (USP) lasers
with pulse widths in the picosecond, or even
femtosecond, range.
There are several different variations on the
way laser ablation is used to cut glass, but in
all of them, each laser pulse…

EU LTJ Ultrashort Pulses Improving the Process.pdf

EU LTJ Ultrashort Pulses Improving the Process.pdf

…than for longer pulsewidth lasers. This is because processes utilizing nanosecond (and longer) pulsewidth lasers can rely on a massive knowledge base, built up by laser manufacturers, systems builders and end users, over decades of application. In contrast, femtosecond laser processing is very much…

Improving and Quantifying the Process Window

Improving and Quantifying the Process Window

…than for longer pulsewidth lasers. This is because processes utilizing nanosecond (and longer) pulsewidth lasers can rely on a massive knowledge base, built up by laser manufacturers, systems builders and end users, over decades of application. In contrast, femtosecond laser processing is very much…

IndustrialUltrafast Whitepaper.pdf

IndustrialUltrafast Whitepaper.pdf

…by which a laser can precision drill, scribe, cut or mark a material. Many traditional applications rely on infrared and visible Qswitched lasers, which have pulsewidths in the tens of nanoseconds range, and which remove material via a photothermal interaction. Here, the focused laser beam acts as…

PHO v1 sstr std

PHO v1 sstr std

…with ultrafast lasers because their short pulsewidths lead to very high peak powers (megawatts and above). These high peak fluFigure 1: Comparison of a 200 µm diameter hole drilled in stainless steel with a nanosecond laser (left) and a picosecond laser (right). A picosecond laser is capable of…