Design of micro-channel heat sink for high power laser diode

Water cooling micro-channel heat sink for high power laser diode was designed. And designs were simulated with computational fluid dynamics(CFD) and numerical heat transfer(NHT) methods. Influences of the size, number of cooling channels and flow rate of cooling water to temperature level and flow resistance characters of the heat sink were discussed. The performance with a diamond heat spreader was numerical calculated. The results indicate that diamond heat spreader can play an important role on decreasing temperature of the heat sink.