matlab

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)

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)

基于Zernike多项式的波前像差到点扩散函数PSF及MTF的模拟，包含代码及相关文档，特别是PPT，值得好好看。(Based on Zernike polynomial, the simulation from wavefront aberrtation to point spread function PSF and MTF , including code and related documents, especially PPT, worthing high value.)

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)

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.)

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：  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)

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)

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.)

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