The thermal characteristics of high-power AlGaAs/GaAs laser diodes(LDs) at high current(2-10 A)are studied with electrical transient method.The temperature rise increases linearly with the current.The thermal resi...The thermal characteristics of high-power AlGaAs/GaAs laser diodes(LDs) at high current(2-10 A)are studied with electrical transient method.The temperature rise increases linearly with the current.The thermal resistance of chip is the largest proportion of total thermal resistance.By increasing the width of the chip from 500 to 800 fim,the temperature rise and thermal resistance decrease by 8.5%and 8.8%,respectively.展开更多
文摘The thermal characteristics of high-power AlGaAs/GaAs laser diodes(LDs) at high current(2-10 A)are studied with electrical transient method.The temperature rise increases linearly with the current.The thermal resistance of chip is the largest proportion of total thermal resistance.By increasing the width of the chip from 500 to 800 fim,the temperature rise and thermal resistance decrease by 8.5%and 8.8%,respectively.