Nonlinear optical absorption of non-spherical silver nanoparticles and organic dyes mixtures Andrey I. Zvyagin, Aleksey S. Perepelitsa, Mariya S. Lavlinskaya, Oleg V. Ovchinnikov, Mikhail S. Smirnov and Rashid A. Ganeev EPJ Web Conf., 190 (2018) 04016 Published online: 26 September 2018 DOI: 10.1051/epjconf/201819004016