gaussian beams

余弦高斯光束图像，可以看到不同传输距离的光强，并且采用分数傅里叶讨论方法！(Cosine Gauss beam image)

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)

可以仿真倾斜光纤光栅的透射光谱和反射光谱(The transmission spectrum and reflection spectrum of tilted fiber grating can be simulated.)

计算干涉腔长，干涉光谱解调，得到腔长随敏感参数的变化规律。(calculate the cavity)

说明：  该程序能够产生涡旋光束，并提取出相位，亲们试试(The program can generate vortex beam, and extract the phase, parents try)

这五个程序是有关涡旋光的产生和光栅生成的程序。1.是单束涡旋光生成 2.生成叉形光栅。3.生成立体的涡旋光。4.生成不同拓扑荷数涡旋光对应相位图。5.生成正弦周期光栅和螺旋相位片图(These five programs are programs for the generation of vortex beams and the generation of grating. 1. is the generation of single beam of vortex light The 2. generation of fork shaped grating. 3. generation of three-dimensional vortex light. 4. the phase diagram of the different topological charge vortex optical rotation is generated. 5. generation of sinusoidal periodic gratings and spiral phase plate)

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.)

说明：  光纤参量放大器增益特性的仿真研究 包括增益带宽 峰值增益饱和增益等(FOPA The simulation study of gain characteristics of optical fiber parametric amplifier includes peak gain saturation gain of gain bandwidth, etc.)

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.)

说明：  该算法是最原始的GS算法，可实现利用频域已知振幅，空域已知振幅对空域相位的复原，另包含GS算法原始文献。(The algorithm is the original GS algorithm, which can be used to recover the spatial phase with the known amplitude in the frequency domain and the spatial domain, and include the original literature of the GS algorithm.)