Surface nanostructuring of Ni, Ti, and 316L stainless steel using ultrafast laser interactions

Matt Gill; Walter Perrie; Peter Fox; William O'Neill

doi:10.1117/12.598487

12 April 2005 Surface nanostructuring of Ni, Ti, and 316L stainless steel using ultrafast laser interactions

Matt Gill, Walter Perrie, Peter Fox, William O'Neill

Proceedings Volume 5713, Photon Processing in Microelectronics and Photonics IV; (2005) https://doi.org/10.1117/12.598487
Event: Lasers and Applications in Science and Engineering, 2005, San Jose, California, United States

Abstract

The generation of surface periodic structures (SPS) on laser machined surfaces is known to occur when exciting the surface near the ablation threshold using short pulse laser exposure. These effects were first observed in the late 1960s and have remained a laboratory curiosity. Although well studied at nanosecond timescales there have been limited number of studies at ultrafast timescales. We have investigated the conditions necessary to generate short and long-range periodic structures using ultrafast laser pulses at λ =775nm and 387 nm which may find application in the field of surface engineering. This work examines the formation of SPS on a range of materials including Ni, Ti and SS316 and their dependence on fluence and polarisation.

Citation Download Citation

Matt Gill, Walter Perrie, Peter Fox, and William O'Neill "Surface nanostructuring of Ni, Ti, and 316L stainless steel using ultrafast laser interactions", Proc. SPIE 5713, Photon Processing in Microelectronics and Photonics IV, (12 April 2005); https://doi.org/10.1117/12.598487

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