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pro vyhledávání: '"Lars Penning"'
Autor:
Lars Penning
Publikováno v:
SPIE Photonics West Industry Events.
Since 2013 polygon scanner systems have become available on the commercial market. Polygon scanning technology offers very high scanning speeds, linear scanning speeds of 25 to 100 m/s are easily achieved enabling MHz laser pulse frequencies or large
Autor:
Christian Brecher, David Bruneel, Ronny De Loor, Sebastian Dormann, Lars Penning, Martin Priwisch, Clemens Hönninger, Daniel Zontar
Publikováno v:
Applied Industrial Optics 2019.
Enabling of continuous photomasking using a pulsed laser source and polygon scanners to achieve high repetition rates and pulse energy, precise beam guiding and stable handling of the moving web with the applied photomask resist.
Publikováno v:
Laser Technik Journal. 11:32-34
Throughput is key to enable the advent of high powered lasers sources. However, their deployment in large scale production is limited by the lack of adequately scaled scanning systems. Based on proven engineering concepts a polygon scanner system has
Autor:
R. deLoor, Markus Zimmermann, Beat Neuenschwander, B. Jaeggi, Kurt J. Weingarten, Andreas Oehler, Lars Penning
Publikováno v:
SPIE Proceedings.
To be competitive in laser micro machining, high throughput is an important aspect. One possibility to increase productivity is scaling up the ablation process i.e. linearly increasing the laser repetition rate together with the average power and the
Publikováno v:
CLEO: 2014.
Keeping the high efficiency and machining quality with today high average power ultrafast lasers demands new and fast beam deflecting systems. We will report on our latest results obtained with a fast polygon line scanner synchronized with a picoseco
Autor:
Markus Zimmermann, Lars Penning, Ronny De Loor, Beat Neuenschwander, Beat Jäggi, Kurt J. Weingarten, Andreas Oehler
Publikováno v:
International Congress on Applications of Lasers & Electro-Optics.
High precision laser micromachining requires an exact synchronization of the laser pulse train with the mechanical axes of the motion system to ensure for each single pulse a precise control of the laser spot position - on the target. For ultra short
Autor:
Kurt J. Weingarten, Markus Zimmermannn, Bojan Resan, Ronny De Loor, B. Jaeggi, Lars Penning, Vesna Markovic, Beat Neuenschwander
Publikováno v:
Journal of Laser Applications. 28:022506
High throughput still represents a key factor for industrial use of ultrashort pulses in the field of surface structuring. Reliable systems with average powers up to 100 W are today available. It has already been proved that metals, especially steel