TY CONF TI Characteristics of the second harmonic generated during laser pulse filamentation in air KW filamentation KW second harmonic generation KW spatial distribution KW spectral characteristics. JO XVII International conference on pulsed lasers and laser applications – AMPL-2025 AU Dik, T.A. AU Rizaev, G.E. AU Nikolaeva, I.A. AU Shipilo, D.E. AU Koribut, A.V. AU Pushkarev, D.V. AU Levus', M.V. AU Grudcyn, Y.V. AU Vrublevskaya, N.R. AU Panov, N.A. AU Kosareva, O.G. AU Seleznev, L.V. PY 2025 PB V.E. Zuev Institute of Atmospheric Optics, Siberian Branch of the Russian Academy of Sciences