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22 February 2008 A new material for high-power laser fibers
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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.
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Andreas Langner, Gerhard Schötz, Mario Such, Thomas Kayser, Volker Reichel, Stephan Grimm, Johannes Kirchhof, Volker Krause, and Georg Rehmann "A new material for high-power laser fibers", Proc. SPIE 6873, Fiber Lasers V: Technology, Systems, and Applications, 687311 (22 February 2008); https://doi.org/10.1117/12.761671
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