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Vortrag: Specialty fibers enabling advances in power scaling of fiber based sources

Freitag/Friday, 21.08.2009, Institut für angewandte Physik, Universität Bern



Hörsaal B1, Gebäude exakte Wissenschaften, Sidlerstrasse 5, Bern, Schweiz

Zeit 10:15
Der Vortrag findet im Rahmen des Seminars über Laser und Biomedizinische Photonik der Universität Bern statt.

Es spricht
Dr. Seongwoo Yoo 
Optoelectronics Research Centre (ORC) 
University of Southampton, UK

Abstract
Fiber lasers have seen dramatic progress in their output power. In particular, ytterbium-doped fiber lasers have been power-scaled to 10 kW level at ~1.1 mm with a nearly diffraction-limited beam. As it is a fiber laser, the fiber is a key element, i.e. the fiber should be designed to be suitable for power-scaling as well as control of nonlinearity. This talk will discuss specialty optical fibers for high power fiber based sources with particular attention to the design and fabrication.

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