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Laser-induced breakdown spectroscopy - a versatile tool for process control

: Noll, R.; Sattmann, R.; Sturm, V.

Gorecki, C.; Preater, R.W.T. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Optical measurements and sensors for the process industries : 20-22 June 1994, Frankfurt
Bellingham/Wash.: SPIE, 1994 (SPIE Proceedings Series 2248)
ISBN: 0-8194-1554-5
S.50-62 : Abb.,Lit.
Conference on Optical Measurements and Sensors for the Process Industries <1994, Frankfurt>
Fraunhofer ILT ()
aerosol; breakdown spectroscopy; emission spectroscopy; polychromator; recycling enterprise; spectroscopy technique; steel work

Laser-induced breakdown spectroscopy (LIBS) is able to rapidly analyze the constituents of materials without contact under atmospheric conditions. Hence this method is predestined to applications where processes have to be controlled for various compounds. Current research activities aim to improve the limits of detection of LIBS for multi-element analysis. The influence of the laser pulse structure on the emission of the laser-induced plasma is investigated. Using certified reference samples, LIBS is calibrated to perform concentration measurements of elements in an iron matrix. An overview of recent LIBS applications is given.