实验测定了波带板的焦移，接近与广义程函数理论。

Focal shifts in diffractive Fresnel lens are measured. The result is closer to the theory given by generalized eikonal.

youdao

实验测定了波带板的焦移，接近与广义程函数理论。

Focal shifts in diffractive Fresnel lens are measured. The result is closer to the theory given by generalized eikonal.

youdao