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Optical Engineering • new

Application of a compact diode pumped solid-state laser source for quantitative laser-induced breakdown spectroscopy analysis of steel
Author(s): Andreas Tortschanoff; Marcus Baumgart; Gerhard Kroupa
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Paper Abstract

Laser-induced breakdown spectroscopy (LIBS) technology holds the potential for onsite real-time measurements of steel products. However, for a mobile and robust LIBS measurement system, an adequate small and ruggedized laser source is a key requirement. In this contribution, we present tests with our compact high-power laser source, which, initially, was developed for ignition applications. The CTR HiPoLas® laser is a robust diode pumped solid-state laser with a passive Q-switch with dimensions of less than 10    cm 3 . The laser generates 2.5-ns pulses with 30 mJ at a maximum continuous repetition rate of about 30 Hz. Feasibility of LIBS experiments with the laser source was experimentally verified with steel samples. The results show that the laser with its current optical output parameters is very well-suited for LIBS measurements. We believe that the miniaturized laser presented here will enable very compact and robust portable high-performance LIBS systems.

Paper Details

Date Published: 12 December 2017
PDF: 8 pages
Opt. Eng. 56(12) 124104 doi: 10.1117/1.OE.56.12.124104
Published in: Optical Engineering Volume 56, Issue 12
Show Author Affiliations
Andreas Tortschanoff, CTR Carinthian Tech Research AG (Austria)
Marcus Baumgart, CTR Carinthian Tech Research AG (Austria)
Gerhard Kroupa, CTR Carinthian Tech Research AG (Austria)


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