More than 100W have been extracted from a 36cm-long Ytterbium-doped large-pitch fiber. Increasing the refractive index of the cladding in this fiber allows for a higher Yb-concentration without altering the fiber characteristics.
© 2013 OSA
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.2390) Fiber optics and optical communications : Fiber optics, infrared
(060.3510) Fiber optics and optical communications : Lasers, fiber
F. Stutzki, H. Otto, F. Jansen, C. Jauregui, J. Limpert, and A. Tünnermann, "High Power Ytterbium-doped Ge-pedestal Large-Pitch Fiber," in Advanced Solid-State Lasers Congress, G. Huber and P. Moulton, eds., OSA Technical Digest (online) (Optical Society of America, 2013), paper ATu3A.03.
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