用杨氏干涉模型解释白光双光栅的消色效应

Explanation of Achromatic Effect of Double Grating under White Light by Young's Interference

本文用杨氏干涉模型成功地解释了最近报道的双光栅白光衍射干涉的消色效应，给出了清晰的物理图像，揭示了其物理含义。

The Achromatic effect of white light double grating diffraction interference is explainedsuccessfully by means of Young's Interference Model. The method is very simple and the physical picture is clear.