LEVENBERG-MARQUARDT算法进行circle拟合 个人曾经用来计算细胞膜弯曲曲率-LEVENBERG-MARQUARDT algorithm was used to circle fitting. I used this method tocalculate the individual cell membrane curvature before.

激光光斑分析 L1=280;L2=130,镜M1的曲率为140mm,镜M2的曲率为150mm,镜M3为平面镜。固定L1，L2， 计算腔内的光束半径。