Isotropic scattering Anisotropic scattering Small particles large particles (R < 10 nm) (R > 10 nm) 2014-11-17 多角度光散射技术:尺寸 To calculate the angular distribution of scattered light, integrate over phase shifts from extended particle. 2 2 16 n0 2 2 P 1 2 sin rg ... 30 2 Integrating over extended particle involves integrating over mass distribution. r 2m r 2 i i g M 2014-11-17 多角度光散射技术:可测定的参数 K*c 1 = + 2A2c R() MwP() 单机