归于三层模型的长周期光纤光栅透射谱的仿真

说明：  根据光和界面的设置，完成偏振仿真，得到光的平均耦合系数(According to the setting of light and interface, the polarization simulation is completed, and the average coupling coefficient of light is obtained)

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)

布拉格光纤光栅解调代码，用于布拉格光纤光栅的光频域反射技术的传感解调(Grating demodulation)

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)

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)

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)

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)

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.)

说明：  光学系统设计，主要用于激光应用中的光路设计，各类光学镜片与各类光源的相互作用(Optical system design)

NALM锁模激光器仿真，非线性环路反射镜锁模获得飞秒激光脉冲。(The simulation of NALM mode-locked laser shows that the femtosecond laser pulse can be obtained by mode-locked non-linear loop mirror.)