光学设计：半导体激光器动态特性计算，LED电流—电压特性曲线仿真，高斯光束透镜变换特性的分析，光波在介质面上反射折射仿真计算，平行平面腔模的迭代解法-Optical Design: semiconductor laser dynamics calculations, LED current- voltage characteristics simulation, transformation properties of Gaussian beam analysis of the lens, light refraction in the medium surface of the reflector simulation, parallel to the plane of the cavity mode iterative solution