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- Title
Titanium surface modification using femtosecond laser with 1013–1015 W/cm2 intensity in vacuum.
- Authors
Trtica, M.; Batani, D.; Redaelli, R.; Limpouch, J.; Kmetik, V.; Ciganovic, J.; Stasic, J.; Gakovic, B.; Momcilovic, M.
- Abstract
The response of titanium surface irradiated with high intensity (1013 – 1015 W/cm2) Ti:sapphire laser was studied in vacuum. Most of the reported investigations were conducted with nano- to femtosecond lasers in gas atmospheres while the studies of titanium surface interacting with femtosecond laser in vacuum are scarce. The laser employed in our experiment was operating at 800 nm wavelength and pulse duration of 60 fs in single pulse regime. The observed surface changes and phenomena are (1) creation of craters, (2) formation of periodic surface structures at the reduced intensity, and (3) occurrence of plasma in front the target. Since microstructuring of titanium is very interesting in many areas (industry, medicine), it can be concluded from this study that the reported laser intensities can effectively be applied for micromachining of the titanium surface (increasing the roughness, formation of parallel periodic surface structures etc.).
- Subjects
TITANIUM; FEMTOSECOND pulses; VACUUM; SAPPHIRES; NANOPARTICLES; SURFACE roughness; MICROMACHINING
- Publication
Laser & Particle Beams, 2013, Vol 31, Issue 1, p29
- ISSN
0263-0346
- Publication type
Article
- DOI
10.1017/S0263034612000924