Experiments were done to probe into the characteristics of APD. The relationships between avalanche voltage, dark current, photocurrent, NEP and temperature were educed separately.
通过实验探讨了APD的温度特性，得到了APD的雪崩电压、暗电流、光电流、等效噪声功率与温度的关系。
Furthermore, the GJ-4 confocal probe uses an avalanche diode with high responsivity. Therefore, it can get better measuring signals from low-reflective surfaces.
GJ-4型测头的光电接收器件使用高响应度的雪崩光电二极管，能够对一些弱反射表面获取到较好的测量信号；
In this paper, the area contact model of depletion layer width under avalanche breakdown in Si epitaxial wafer by a three-probe method is analysed. The theory accords with experimental results.
本文分析了三探针测试硅外延片中雪崩击穿时耗尽层宽度的面接触模型，理论和实验结果吻合。
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