Antingen stödjer din webbläsare inte javascript, eller är javascript inaktiverat. Denna webbplats fungerar bäst om du aktiverar javascript.

Antonio Ancona

Gästprofessor

Anställd på Avdelningen för produktionssystem.

Forskar inom området teknik, produktionsteknik.


Research area/Research interest

Experimental investigation of high power laser material processing, with particular interest for welding.

Development of hybrid sensing systems, mainly based on optical and spectroscopic sensors, for real-time monitoring and closed loop control of laser based production processes.

Laser micromachining and micro/nanostructuring of metals, semiconductors and dielectrics based on pico-femtosecond laser ablation. The main area of interest are: micro-drilling and micro-milling of metals, micro-joining of transparent materials, laser texturing of metal surfaces to enhance their tribological properties, laser synthesis of nano-antomicrobials by laser ablation in liquids, ablation with bursts of ultrashort pulses.

Teaching/Supervision

Presently, supervisor of n.3 Physics PhD students at the University of Bari and n.1 post-doc fellow at the CNR-Institute for Photonics and Nanotechnologies in Bari.

Keyword

Laser welding, plasma optical spectroscopy, closed loop control, laser ablation, laser micro/nano processes, ultrafast laser technology.

Publications

Publications by Antonio Ancona can be found in Google Scholar.

Publikationer


Detecting beam offsets in laser welding of closed-square-butt joints by wavelet analysis of an optical process signal

Publicerat

Detecting beam offsets in laser welding of closed-square-butt joints by wavelet analysis of an optical process signal

Robotized laser beam welding of closed-square-butt joints is sensitive to the positioning of the laser beam with respect to the joint since even a...

Robust vision-based joint tracking for laser welding of curved closed-square-butt joints

Publicerat

Robust vision-based joint tracking for laser welding of curved closed-square-butt joints

Robotized laser beam welding of closed-square-butt joints is sensitive to how the focused laser beam is positioned in relation to the joint, and...

Incubation during laser ablation with bursts of femtosecond pulses with picosecond delays

Publicerat

Incubation during laser ablation with bursts of femtosecond pulses with picosecond delays

Abstract: We report on an experimental investigation of the incubation effect during irradiation of stainless steel with bursts of ultrashort laser...

Incubation effect in burst mode fs-laser ablation of stainless steel samples

Publicerat

Incubation effect in burst mode fs-laser ablation of stainless steel samples

We report on an experimental study of the incubation effect during irradiation of stainless steel targets with bursts of femtosecond laser pulses a...

In-process Monitoring and Control of Robotized Laser Beam Welding of Closed Square Butt Joints

Publicerat

In-process Monitoring and Control of Robotized Laser Beam Welding of Closed Square Butt Joints

In robotized laser welding of technical zero gap closed square butt joints it is critical to position the laser beam correct with regardsto the...

Spectroscopic monitoring of laser blown powder directed energy deposition of Alloy 718

Publicerat

Spectroscopic monitoring of laser blown powder directed energy deposition of Alloy 718

Experimental explorations of a spectrometer system used for in-process monitoring of the laser blown powder directed energy deposition of Alloy 718...

Discrete spot laser hardening and remelting with a high-brilliance source for surface structuring of a hypereutectoid steel

Publicerat

Discrete spot laser hardening and remelting with a high-brilliance source for surface structuring of a hypereutectoid steel

In this work the single-pulse laser irradiation of a hypereutectoid steel was investigated using a fiber laser source, in a range of process...

Fabrication and assembling of a microfluidic optical stretcher polymeric chip combining femtosecond laser and micro injection molding technologies

Publicerat

Fabrication and assembling of a microfluidic optical stretcher polymeric chip combining femtosecond laser and micro injection molding technologies

Microfluidic optical stretchers are valuable optofluidic devices for studying single cell mechanical properties. These usually consist of a single...

Monitoring of Varying Joint Gap Width During Laser Beam Welding by a Dual Vision and Spectroscopic Sensing System

Publicerat

Monitoring of Varying Joint Gap Width During Laser Beam Welding by a Dual Vision and Spectroscopic Sensing System

A vision and spectroscopic system for estimation of the joint gap width in autogenous laser beam butt welding is presented. Variations in joint gap...

Vision and spectroscopic sensing for joint tracing in narrow gap laser butt welding

Publicerat

Vision and spectroscopic sensing for joint tracing in narrow gap laser butt welding

The automated laser beam butt welding process is sensitive to positioning the laser beam with respect to the joint because a small offset may resul...

Forskningsprojekt