Response goes Steadily up and that after Smax goes linearly down , the photocathode comPOSition is controlled by adjusting evaPOration rate of Sb , K and Na evaporator source .
确定n、k值以及光电流在光谱响应峰值前的稳定上升和峰值后的近似线性下降规律通过调节锑、钾、钠源蒸发速率控制阴极成分。
smax