它是基于光电效应。

It is based on the photoelectric effect.

爱因斯坦光电效应方程可以完满地解释光电效应的实验规律。

The equation of Einstein photoemission can fully explain experimental rule of photoemission.

“这是爱因斯坦光电效应的一个很好的延伸，”Richter说。

"This is a nice extension of Einstein's photoelectric effect," Richter said.