第 14 章 干涉和衍射 1 4 .1 波的叠加......................................................................................................................................2 1 4 .2 杨氏双缝干涉实验.......................................................................................................................4 例1 4 .1 ：双缝实验........................................................................................................................6 1 4 .3 光强分布......................................................................................................................................6 例1 4 .2 ：三缝干涉的光强............................................................................................................8 1 4 .4 衍射............................................................................................................................................1 0 1 4 .5 单缝衍射.................................................................................................................................... 1 1 例1 4 .3 ：单缝衍射......................................................................................................................1 2 1 4 .6 单缝衍射的光强........................................................................................................................1 2 1 4 .7 双狭缝衍射条纹的光强.............................................................................................................1 5 1 4 .8 衍射光栅....................................................................................................................................1 6 1 4 .9 总结............................................................................................................................................1 7 1 4 .1 0 附录：总电场的计算...............................................................................................................1 8 1 4 .1...
