关键词: 电动力学, 波动光学, 几何光学, 激光光学, 光电信息科学与工程专业

Abstract: Combined with the characteristics of Optoelectronic Information Science and engineering specialty and taking the derivation of “light” and “Gaussian beam” as an example, this paper explores the teaching of the internal relationship of the theoretical model of light transmission in free space. Practice has proved that this method is very necessary for students to understand the follow-up courses on light transmission, and provides a certain reference for the teaching of basic theory courses of engineering specialty.

Key words: electrodynamics, wave optics, geometrical optics, laser optics, optoelectronic information science and engineering