Meng Wei-Dong, Sun Li-Cun, Zhai Ying, Yang Rui-Fen, Pu Xiao-Yun. Rapid measurement of the diffusion coefficient of liquids using a liquid-core cylindrical lens:a method for analysing an instantaneous diffusive pictureJ. Acta Physica Sinica, 2015, 64(11): 114205. DOI: 10.7498/aps.64.114205