Electronics Letters · 2005 · 59 citations · 1 references
Electrical EngineeringVertical DivergenceEngineeringLaser ScienceAdvanced Laser ProcessingApplied PhysicsLaser ApplicationsLaser MaterialLaser Processing TechnologyLaser DesignHeat TransferNm Laser BarsThermal EngineeringOptoelectronicsHigh-power LasersW. Reliability Cw
940 nm laser bars with a vertical divergence of 27° (FWHM) and a filling factor of 30% were operated on passively cooled heatsinks at 25°C. The maximum output power was 95 W, the maximum wall-plug efficiency was 73% at 70 W. Reliability CW and quasi-CW operation up to 98 W was demonstrated.
1