归于三层模型的长周期光纤光栅透射谱的仿真

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.)

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)

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)

Matlab链接Comsol程序，计算光纤模式，保存数据，优化参数(Matlab link Comsol program, calculating the modes of optical fiber, save data, optimize parameters)

利用numpy库实现激光器领域的时域行波模型。该模型输出激光器信号，频谱等。(The time-domain traveling wave model in laser field is realized by using numpy library. The model outputs laser signals, spectrum and so on.)

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：  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)

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.)

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)

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)