Simulation and experiment of near-field nanostructuring on Ti-6Al-4V surface

Yanqun Tong; Lin Shi; Jianyu Huang; Xiaoyi Wu

doi:10.1117/12.2247410

19 October 2016 Simulation and experiment of near-field nanostructuring on Ti-6Al-4V surface

Yanqun Tong; Lin Shi; Jianyu Huang; Xiaoyi Wu

Author Affiliations +

Proceedings Volume 10153, Advanced Laser Manufacturing Technology; 1015315 (2016) https://doi.org/10.1117/12.2247410
Event: International Symposium on Optoelectronic Technology and Application 2016, 2016, Beijing, China

Abstract

In this paper, the near-field optical properties of nanoparticles, which are deposited on Titanium (Ti) substrate and irradiated by laser pulses with wavelength ranging from 0.4 nm to 1.2 nm, are presented by using numerical simulations. Considering the near-field electric intensity distribution, the enhancement factor (E/E₀)² and the peak enhancement value (E_max/E₀)², we compared the difference between gold particle with 200 nm diameter and SiO₂ particle with 2μm diameter. It is found out that, the intensity distribution around the contact point between particles and Ti substrate shows as an annular. The enhancement factor generated by 200 nm gold particle is over 10 times larger than 2 μm SiO₂ particle after irradiated by incident light with the same wavelength. In experiment section, using 200 nm diameter gold particles, we fabricated nanoholes on Ti-6Al-4V surface with diameter about 170 nm when laser pulse energy was set as 0.354 J/cm². The diameter of nanoholes is corresponding to the previous simulation results in this paper.

Citation Download Citation

Yanqun Tong, Yanqun Tong, Lin Shi, Lin Shi, Jianyu Huang, Jianyu Huang, Xiaoyi Wu, Xiaoyi Wu, } "Simulation and experiment of near-field nanostructuring on Ti-6Al-4V surface", Proc. SPIE 10153, Advanced Laser Manufacturing Technology, 1015315 (19 October 2016); doi: 10.1117/12.2247410; https://doi.org/10.1117/12.2247410

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