归于三层模型的长周期光纤光栅透射谱的仿真

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：  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：  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：  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.)

激光器方面的腔型设计和激光晶体及BK7玻璃的色散计算(Laser cavity design and laser crystal and BK7 glass dispersion calculation)

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.)

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)

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.)

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)

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)