Surface structuring with ultrashort laser pulses provides the flexibility to generate micro- and nano-sized structures in
desired patterns on metal surfaces - also on non-flat objects. The structures largely preserve the strength of the native material, since they are formed with minimal thermal effects on the surrounding regions. This talk will demonstrate the capabilities with and flexibility of short-pulse surface structuring. Recent results encompass tailoring material surfaces for optimal adhesion in specific industrially important applications and laser structuring of medical implant surfaces to improve their biocompatibility.
The set-up of helium-neon lasers with internal iodine cells at the wavelength 612 nm was realized. Spectroscopical as well as metrological parameters have been measured using the third- and/or fifth- harmonic technique. The hyperfine structure of rot-vibrational lines R(47)9-2, P(48)11-3, R(48)15-5, and R(34)17-6 was detected also by the second harmonic method which enabled to find very weak peaks of cross-over components and read their frequency and amplitudes. The fundamental metrological parameters have been measured.
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