Progress in the development of kilowatt-class diode laser bars for pump applications

A. Pietrzak; M. Woelz; R. Huelsewede; M. Zorn; O. Hirsekorn; J. Meusel; A. Kindsvater; M. Schröder; V. Bluemel; J. Sebastian; C. Frevert; F. Bugge; S. Knigge; A. Ginolas; G. Erbert; P. Crump

doi:10.1364/ASSL.2015.ATh2A.7

Advanced Solid State Lasers
OSA Technical Digest (online) (Optica Publishing Group, 2015),
paper ATh2A.7
•https://doi.org/10.1364/ASSL.2015.ATh2A.7

Progress in the development of kilowatt-class diode laser bars for pump applications

A. Pietrzak, M. Woelz, R. Huelsewede, M. Zorn, O. Hirsekorn, J. Meusel, A. Kindsvater, M. Schröder, V. Bluemel, J. Sebastian, C. Frevert, F. Bugge, S. Knigge, A. Ginolas, G. Erbert, and P. Crump

Advanced Solid State Lasers 2015

Berlin Germany
4–9 October 2015
ISBN: 978-1-943580-02-6

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A. Pietrzak, M. Woelz, R. Huelsewede, M. Zorn, O. Hirsekorn, J. Meusel, A. Kindsvater, M. Schröder, V. Bluemel, J. Sebastian, C. Frevert, F. Bugge, S. Knigge, A. Ginolas, G. Erbert, and P. Crump, "Progress in the development of kilowatt-class diode laser bars for pump applications," in Advanced Solid State Lasers, OSA Technical Digest (online) (Optica Publishing Group, 2015), paper ATh2A.7.

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Abstract

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%.

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