[14p-PA12-1~9] 3.7 Laser processing

[14p-PA12-7] Highly efficient fs laser multi-photon reduction by TiO2 nanoparticles in solution

〇Kan Umetsu¹, Hiroaki Nishiyama² (1.Yamagata Univ., 2.Grad. Yamagata Univ.)

Keywords:femtosecond laser,multi-photon reduction

We show highly efficient fs laser reduction by TiO₂ nanoparticles dispersed in solution. Multi-photon reduction was markedly enhanced by adding TiO₂ nanoparticles to the solution. Metallic structures were stably formed at laser translation speed 15 times higher than that of the solution without nanoparticles.