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9 November 2016 Numerical analysis of thermal effects in semiconductor disk laser with TEC cooler
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Based on generalized heat transfer model of thermoelectric cooler(TEC), the heat management model of semiconductor disk laser with TEC cooler has been built. With finite element method, this article has calculated the temperature distribution characteristics, and studied the effects of TEC current, heat exchange coefficient, the heatsink and the pump laser for the maximum temperature of quantum wells. Calculations show that the heat transfer coefficient significantly affects the ability of the TEC temperature shift, cooling system performance which is nearly inversely proportional to the heatsink thermal conductivity is not sensitive to its the thickness variation, and the performance of oxygen-free copper with optimization of the area is close to diamond. Meanwhile the maximum temperature of the quantum well has a linear relationship with the pump power, and increasing the pump spot size is an effective way to increase the optical power output
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Renjiang Zhu, Peng Zhang, and Maohua Jiang "Numerical analysis of thermal effects in semiconductor disk laser with TEC cooler", Proc. SPIE 10017, Semiconductor Lasers and Applications VII, 1001711 (9 November 2016);

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