4 March 2016 High duty-cycle, high-efficiency QCW stacks for medical applications
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Abstract
Laser stacks emitting short light pulses are ideally suited for medical and cosmetic applications. Developing enhanced, stable and reliable assembly processes, Jenoptik is reaching for higher energy densities and lower manufacturing costs. In this paper an improved technology for actively cooled QCW stacks is presented. Based on simulations and experimental data, the impacts on the laser stack performance are described and shown as power-current and thermal impedance plots. We show that the bar-to-bar pitch can be reduced from 1.7 mm to 1.2 mm without detrimental thermal effects for pulse durations up to 100 ms.
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A. Kindsvater, A. Kindsvater, M. Schröder, M. Schröder, E. Werner, E. Werner, S. Seidel, S. Seidel, M. Wölz, M. Wölz, V. Loyo-Maldonado, V. Loyo-Maldonado, "High duty-cycle, high-efficiency QCW stacks for medical applications", Proc. SPIE 9733, High-Power Diode Laser Technology and Applications XIV, 97330M (4 March 2016); doi: 10.1117/12.2213630; https://doi.org/10.1117/12.2213630
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