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为增加激光二极管的发光功率密度，可把微沟道散热器看作数百个平行的微小翅片，建立一个微沟道散热的数学模型。以此计算出的泵压极限和热阻系数与文献〔１〕的实验结果一致。
In order to increase the power density of the laser diode, a microchannel heat sink can be regarded as hundreds of parallel micro-fins to establish a mathematical model of microchannel heat dissipation. The calculated pumping pressure limit and thermal resistance coefficient and the literature [1] the experimental results.