Compact fiber-coupled high-power diode-laser unit

Markus Baumann; Bodo Ehlers; Michael Quade; Keming Du; Hans-Georg Treusch; Peter Loosen; Reinhart Poprawe

doi:10.1117/12.281140

18 August 1997 Compact fiber-coupled high-power diode laser unit

Markus Baumann, Bodo Ehlers, Michael Quade, Keming Du, Hans-Georg Treusch, Peter Loosen, Reinhart Poprawe

Proceedings Volume 3097, Lasers in Material Processing; (1997) https://doi.org/10.1117/12.281140
Event: Lasers and Optics in Manufacturing III, 1997, Munich, Germany

Abstract

We developed a compact fiber-coupled high-power diode-laser unit with optical output power up to 40 W cw, coupled into a multimode fiber with 600 micrometers core diameter and NA 0.22. This diode-laser unit is suitable for pumping solid-sate or fiber lasers as well as for material processing. Essential part is a novel beam-shaping system with compact size, high flexibility and low alignment requirements, which uses a pair of micro step-mirrors. The whole unit fits into a housing of approximately 110 X 100 X 90 mm.

Citation Download Citation

Markus Baumann, Bodo Ehlers, Michael Quade, Keming Du, Hans-Georg Treusch, Peter Loosen, and Reinhart Poprawe "Compact fiber-coupled high-power diode laser unit", Proc. SPIE 3097, Lasers in Material Processing, (18 August 1997); https://doi.org/10.1117/12.281140

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