%0 Journal Article
%T A Real-Time Spectroscopic Sensor for Monitoring Laser Welding Processes
%A Teresa Sibillano
%A Antonio Ancona
%A Vincenzo Berardi
%A Pietro Mario Lugarš€
%J Sensors
%D 2009
%I MDPI AG
%R 10.3390/s90503376
%X In this paper we report on the development of a sensor for real time monitoring of laser welding processes based on spectroscopic techniques. The system is based on the acquisition of the optical spectra emitted from the laser generated plasma plume and their use to implement an on-line algorithm for both the calculation of the plasma electron temperature and the analysis of the correlations between selected spectral lines. The sensor has been patented and it is currently available on the market.
%K Optical sensor
%K laser welding
%K plasma spectroscopy
%U http://www.mdpi.com/1424-8220/9/5/3376