DFB_model

说明：  利用matlab实现光学系统像差仿真，泽尼克像差代码实现(Aberration simulation of optical system using MATLAB and Zernike aberration code implementation)

归于三层模型的长周期光纤光栅透射谱的仿真(Simulation of transmission spectrum of long period fiber gratings belonging to three layer model)

说明：  仿真了单模光纤载沿轴向传输时电场模的分布情况，其中参数可调(The distribution of electric field modes in single-mode optical fibers is simulated, in which the parameters are adjustable.)

利用LP01模式来对单模光纤模场直径与归一化频率的关系进行简单计算(Calculating the relationship between mode field diameter and normalized frequency of single mode fiber)

说明：  搞死光束的基本性质及其通过博透镜的变换和高斯光束的聚焦(The basic properties of dead beam and gaussian beams through the lens of bo's transformation and focus)

tracepro光学镀膜仿真结构设计与教学，是光学镀膜学习很好的素材(Tracepro optical coating simulation structure design and teaching is a good material for optical coating learning.)

LG光束的光强和相位模拟，包括缔合拉盖尔多项式和相位屏(Intensity and Phase of LG Beams)

用速率方程，数值计算SG-DBR半导体激光器和Y-Branch激光器的相位噪声，并将结果与理论公式对比，结果符合良好。(By using the rate equation, the relative intensity noise and phase noise of the ordinary single mode semiconductor laser are calculated, and the results are compared with the theoretical formulas, and the results are in good agreement.)

说明：  有效的解包裹程序：傅里叶变换相位解包裹程序(Fourier transform phase unwrapping program)

说明：  基于sift与ransac法的MATLAB程序，有需要的请下载(Based on sift and ransac method MATLAB procedures, there is a need to download)