cascaded FWM in fiber cavity

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：  涡旋光束的相息图。。。。。。。。。。。。(Simulated Chart of Vortex Beam)

说明：  NPR 光纤激光器 Fortran程序(FORTRAN program of NPR fiber laser)

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)

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：  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.)

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)

光学领域的菲涅耳反射及透射，发射率，透射率等详细程序(Fresnel reflection and transmission in the field of optical, emissivity, transmittance and detailed procedure)

说明：  连 续 投 影 算 法(SPA)是 一 种 使 矢 量 空 间 共 线 性最小化的前向变量选择算法， 它的优势在于提取全波段的几个特征波长， 能够消除原始光谱矩阵中冗余的信息，可用于光谱特征波长的筛选。(One of the advantages of spa is that it can be used to eliminate the redundancy of the original spectral features.)

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)