Abstract
Submicron structures on metal surfaces find a wide field of applications ranging from anti-icing to terahertz detectors. So far, demonstrations have been realized with femtosecond Ti:Sa laser only. In order to obtain industrially relevant texturation speed a comparison of femtosecond processing is given between low repetition rate Ti:Sa lasers and up to date high repetition rate femtosecond fiber lasers used at low repetition rate. Texturation of few metals like stainless steel, Aluminum and Copper are investigated to see the wavelength, fluence and pulse duration influence on the structures generated. The characterizations of the results are performed by both SEM imaging and by microscopic optical observation.Submicron structures on metal surfaces find a wide field of applications ranging from anti-icing to terahertz detectors. So far, demonstrations have been realized with femtosecond Ti:Sa laser only. In order to obtain industrially relevant texturation speed a comparison of femtosecond processing is given between low repetition rate Ti:Sa lasers and up to date high repetition rate femtosecond fiber lasers used at low repetition rate. Texturation of few metals like stainless steel, Aluminum and Copper are investigated to see the wavelength, fluence and pulse duration influence on the structures generated. The characterizations of the results are performed by both SEM imaging and by microscopic optical observation.
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