TY CONF TI Increasing the sensitivity of the Fs-LIBS method by controlling the type of laser radiation polarization KW fs-libs KW plasma temperature KW pollution JO XVII International conference on pulsed lasers and laser applications – AMPL-2025 AU Babushkin, P.A. PY 2025 PB V.E. Zuev Institute of Atmospheric Optics, Siberian Branch of the Russian Academy of Sciences