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A 1.4 kW 780 nm pulsed diode laser, high duty cycle, passively side-cooled pump module

M. Hübner, M. Wilkens, B. Eppich, A. Maaßdorf, D. Martin, A. Ginolas, P.S. Basler, and P. Crump

Published in:

Opt. Express, vol. 29, no. 7, pp. 9749-9757, doi:10.1364/OE.416527 (2021).


A diode laser module emitting 1.4 kW optical in-pulse power near 780 nm optimized for high (≥ 10%) duty-cycle operation in a micro-channel free design is presented. With full collimation, a beam quality with a nearly symmetric M2 of 205 × 295 (vertical × horizontal direction) for a wide range of pulse widths is found.

Ferdinand-Braun-Institut gGmbH, Leibniz-Institut für Höchstfrequenztechnik (FBH), Gustav-Kirchhoff-Str. 4, 12489 Berlin, Germany

© 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement.

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