Nonlinear correction of the wave front of laser radiation after multimode lightguides Volyar, A. V. ; Zaporozhets, V. M. ; Kuchikyan, L. M. ; Marchevskii, F. N. ; Savchenko, V. N. ; Strizhevskii, V. L. Abstract Publication: Optics and Spectroscopy Pub Date: November 1986 Bibcode: 1986OptSp..61..711V