Short pulse dye lasers recently become necessary instruments in
many laboratories in Vietnam and in the world, also. However, the
investigation for developing laser active medium is still attracted in
many laboratories on optics and photonics. Moreover, the achievements
in nanostructured materials have been bringing numerous applications
in both the science and human life. Especially, gold nanoparticles
(GNPs) with different sizes have become attractive subjects due to their
distinguished properties. Thus, in this research, the study and
preparation of new laser active medium to be used for the laser
resonance cavity included the mixture of the dye and nanostructured
metallic particles is focused.