The measurements of the angular distribution of two-photon-excited fluorescence of a dye solution in an aqueous aerosol are reported. It is shown that the fluorescence of an aerosol with a dye is one and a half to two times greater in the backward direction than in the forward direction.
The experimentally obtained dependences of acoustic signals on the energy of femtosecond pulses in the filamentation mode, propagating in a liquid-drop aerosol with nanoparticles of various concentrations imitating Aitken nuclei, are presented. It is shown that, under the action of a femtosecond pulse filament, a water aerosol jet breaks into two jets.
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