源程序

说明：  修改图片文件名称，即可计算激光光斑中心，中心计算采用重心法，用十字标出重心位置(Detect the laser spot center)

用速率方程，数值计算SG-DBR半导体激光器和Y-Branch激光器的相位噪声，并将结果与理论公式对比，结果符合良好。(By using the rate equation, the relative intensity noise and phase noise of the ordinary single mode semiconductor laser are calculated, and the results are compared with the theoretical formulas, and the results are in good agreement.)

利用matlab实现光学系统像差仿真，泽尼克像差代码实现(Aberration simulation of optical system using MATLAB and Zernike aberration code implementation)

最小二乘法进行泽尼克多项式拟合将离散数据点拟合成面型。(use the least square method to fit the wavefornt with zernike polynomials.)

说明：  光流算法：Horn-Schunck方法，效果不错。(Optical flow algorithm: Horn-Schunck method)

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)

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.)

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.)

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)

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)