Comparison Between Bidirectional Pumped Yb-doped All-fiber Single-mode Amplifier and Oscillator Setup up to a Power Level of 5 kW

• DOI: 10.1364/assl.2018.am2a.3
• Publication Date: 2018-10-29T15:43:30Z
• Authors: Friedrich Möller; Ria G. Krämer; Christian Matzdorf; Stefan Nolte; Maximilian Strecker; Fabian Stutzki; Marco Plötner; Victor Bock; Thomas Schreiber; Andreas Tünnermann
• Keywords: 0202 electrical engineering, electronic engineering, information engineering; 02 engineering and technology

We present and compare highly robust Yb-doped monolithic amplifier and -oscillator setups in 20/400 μm geometry achieving signal powers of 3.5 kW and 5 kW in a bidirectional pumping scheme while maintaining single mode beam quality of M2 ~ 1.3.