Sensors 2009, 9(5), 3376-3385; doi:10.3390/s90503376
Review

A Real-Time Spectroscopic Sensor for Monitoring Laser Welding Processes

Received: 4 March 2009; in revised form: 28 April 2009 / Accepted: 29 April 2009 / Published: 7 May 2009
(This article belongs to the Special Issue State-of-the-Art Sensors Technology in Italy)
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract: 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.
Keywords: Optical sensor; laser welding; plasma spectroscopy
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MDPI and ACS Style

Sibillano, T.; Ancona, A.; Berardi, V.; Lugarà, P.M. A Real-Time Spectroscopic Sensor for Monitoring Laser Welding Processes. Sensors 2009, 9, 3376-3385.

AMA Style

Sibillano T, Ancona A, Berardi V, Lugarà PM. A Real-Time Spectroscopic Sensor for Monitoring Laser Welding Processes. Sensors. 2009; 9(5):3376-3385.

Chicago/Turabian Style

Sibillano, Teresa; Ancona, Antonio; Berardi, Vincenzo; Lugarà, Pietro Mario. 2009. "A Real-Time Spectroscopic Sensor for Monitoring Laser Welding Processes." Sensors 9, no. 5: 3376-3385.

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