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High power incoherent beam combining by an all-glass 7:1 fiber coupler with high beam quality

: Plötner, M.; Vries, O. de; Schreiber, T.; Eberhardt, R.; Tünnermann, A.


Optical Society of America -OSA-, Washington/D.C.:
Advanced Solid State Lasers, ASSL 2014 : 16.-21.November 2014, Shanghai, China
Washington, DC: OSA, 2014
ISBN: 978-1-55752-822-3
Paper ATh2A.17
Conference "Advanced Solid State Lasers" (ASSL) <2014, Shanghai>
Conference Paper
Fraunhofer IOF ()

We report on an all-glass low-loss 7:1 single-mode to multi-mode fiber coupler based on CO2 laser glass processing that is tested up to 5.7 kW while only heating up by 8 K/kW.