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22 February 2008 A new material for high-power laser fibers
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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.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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);

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