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High power laser diode bars used in pumping units of solid state or fibre lasers or as a direct source in laser diode systems have in the last years become more and more important for industrial laser applications such as welding, brazing, hardening or marking. Increasing the brightness of the laser diode source offers the possibility to use fibres with(More)
325 W record-high CW output power from a single 1-cm laser bar and 100 W highly reliable aging tests results with 300 Mshots mean-time-to-failure (64 kh) in full pulsed mode operation (0 A to 100% current, 1.3 Hz, 50% duty-cycle) are presented based on telecom proven 9xx nm wavelength range (Al)Ga(In)As technology using E2 technology eliminating COMD.
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