DFB_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.)

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)

最小二乘法进行泽尼克多项式拟合将离散数据点拟合成面型。(use the least square method to fit the wavefornt with zernike polynomials.)

基于Zernike多项式的波前像差到点扩散函数PSF及MTF的模拟，包含代码及相关文档，特别是PPT，值得好好看。(Based on Zernike polynomial, the simulation from wavefront aberrtation to point spread function PSF and MTF , including code and related documents, especially PPT, worthing high value.)

基于phong光照模型的简单光反射模型，用于红外物理中(phong illumination 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.)

说明：  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：  修改图片文件名称，即可计算激光光斑中心，中心计算采用重心法，用十字标出重心位置(Detect the laser spot center)

在光纤环形腔中经过级联四波混频产生光频率梳，梳齿频率间隔可调，光纤环形腔中不同模块色散，非线性系数可调。(Optical frequency comb are generated in the fiber cavity by the process of cascaded four wave mixing.)

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)