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Proceedings Paper

A new material for high-power laser fibers
Author(s): Andreas Langner; Gerhard Schötz; Mario Such; Thomas Kayser; Volker Reichel; Stephan Grimm; Johannes Kirchhof; Volker Krause; Georg Rehmann
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Paper Abstract

We have developed a new technique to produce a Yb-doped fused silica bulk glass which is very well suited for fiber laser applications. The starting point is a liquid suspension of SiO2 particles which is doped by a solution of rare earth ions. After dehydration, purification and vitrification we achieve a bubble-free homogeneous Yb-doped fused bulk silica, which is further processed by the plasma outside deposition (POD) technique into preforms for active laser fibers with a large active fiber core. The laser function of our Yb-doped silica was successfully proved in a side-pumped fiber laser setup. We present the results of the laser experiments.

Paper Details

Date Published: 22 February 2008
PDF: 9 pages
Proc. SPIE 6873, Fiber Lasers V: Technology, Systems, and Applications, 687311 (22 February 2008); doi: 10.1117/12.761671
Show Author Affiliations
Andreas Langner, Heraeus Quarzglas GmbH and Co. KG (Germany)
Gerhard Schötz, Heraeus Quarzglas GmbH and Co. KG (Germany)
Mario Such, Heraeus Quarzglas GmbH and Co. KG (Germany)
Thomas Kayser, Heraeus Quarzglas GmbH and Co. KG (Germany)
Volker Reichel, Institut für Photonische Technologien e.V. (Germany)
Stephan Grimm, Institut für Photonische Technologien e.V. (Germany)
Johannes Kirchhof, Institut für Photonische Technologien e.V. (Germany)
Volker Krause, Laserline GmbH (Germany)
Georg Rehmann, Laserline GmbH (Germany)


Published in SPIE Proceedings Vol. 6873:
Fiber Lasers V: Technology, Systems, and Applications
Jes Broeng; Clifford Headley, Editor(s)

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