1. Laserline GmbH, 56218 Mühlheim-Kärlich, Germany, http://www.laserline.de.
2. Mounting substrate and heat sink for high-power diode laser bars;Lorenzen,2000
3. Next generation of cooling approaches for diode laser bars;Leers,2007
4. High power, high brightness >1 kW QCW diode laser stack at 940 nm;Fiebig,2008
5. Conductively Cooled 1 kW—QCW Diode Laser Stacks Enabling Simple Fiber Coupling