Diffraction of grating, grating equation, unfilled order, X-ray diffraction, natural light and polarized light, polarization and analysis of polarized plate, Malus, polarization in reflection and refraction, Brewster law.

• 光栅衍射,光栅方程,缺级现象,X射线的衍射;自然光和偏振光,偏振片的起偏和检偏,马吕斯定律,反射和折射时光的偏振,布儒斯特定律。