Portal de Periódicos da CAPES

A Real-Time Spectroscopic Sensor for Monitoring Laser Welding Processes

2009; Multidisciplinary Digital Publishing Institute; Volume: 9; Issue: 5 Linguagem: Inglês

10.3390/s90503376

1424-8220

Teresa Sibillano, Antonio Ancona, V. Berardi, Pietro Mario Lugarà,

Advanced Sensor Technologies Research

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.