Progress in the development of kilowatt-class diode laser bars for pump applications
Proc. Advanced Solid State Lasers Conf. (ASSL 2015), Berlin, Germany, Oct. 04-09, ISBN: 978-1-943580-02-6, p. ATh2A.7 (2015).
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Progress in diode laser pump bars is presented. Powers above 1 kW per bar are confirmed at 880 nm, and 940...980 nm, with operating efficiency ~50%. Operation at 200 K increases the efficiency at 1 kW to > 60%.
a JENOPTIK Diode Lab GmbH, Max-Planck-Str. 2, 12489 Berlin, Germany
b JENOPTIK Laser GmbH, Göschwitzer Str. 29, 07745 Jena, Germany
c Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Straße 4, 12489 Berlin, Germany
(140.2010) Diode laser arrays; (140.5560) Pumping.