关键词: 大学物理, 衍射光栅, 计算全息, 激光高斯光束

Abstract: Based on the characteristics of university physical optics, we make the corresponding knowledge expansion, let the students to make diffraction grating and to do related experimental research in the teaching process, teaching results greatly improve the students＇ scientific research quality and its various aspects ability.

Key words: university physics, diffraction grating, CGH, laser Gaussian beam