Development and Optimization of Laser-Induced Breakdown Spectroscopy (LIBS) for Quantification of Carbon in Steel within UV/Visible Region
American Journal of Physics and Applications
Volume 2, Issue 6, November 2014, Pages: 113-117
Received: Oct. 26, 2014; Accepted: Nov. 4, 2014; Published: Nov. 10, 2014
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Authors
Mohamed A. Khater, Physics department, Al-Imam Mohammad Ibn Saud Islamic University (IMSIU), 22611 Riyadh, Saudi Arabia
Mohammed M. Babatin, Mathematics department, Al-Imam Mohammad Ibn Saud Islamic University (IMSIU), 22611 Riyadh, Saudi Arabia
Ali M. Eid, Physics department, Al-Imam Mohammad Ibn Saud Islamic University (IMSIU), 22611 Riyadh, Saudi Arabia
Abdulaziz S. Alaamer, Physics department, Al-Imam Mohammad Ibn Saud Islamic University (IMSIU), 22611 Riyadh, Saudi Arabia
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Abstract
A simple bench-top laser-induced breakdown spectroscopy (LIBS) technique is investigated for the rapid detection of sufficient amount of the light element carbon. The plasma investigated was generated by focusing the fundamental radiation at 1064 nm of Nd:YAG laser onto low alloy steel target. The radiation emitted from the plasma was dispersed and recorded by an echelle spectrograph combined with a time-gated EMCCD detection system. Based on an extensive survey procedure, a well-resolved relatively-intense neutral carbon spectral line at 396.14 nm was selected, verified and used in all measurements. In addition, optimization of the main experimental parameters, namely laser energy and delay-time for integration of the detector was carried out. Furthermore, the analytical calibration curve for carbon, using a series of low-alloy steel standards, was constructed and corresponding analytical figures of merit were evaluated.
Keywords
Laser-Induced Breakdown Spectroscopy, LIBS, Quantification, Carbon, Steel, UV/Visible
To cite this article
Mohamed A. Khater, Mohammed M. Babatin, Ali M. Eid, Abdulaziz S. Alaamer, Development and Optimization of Laser-Induced Breakdown Spectroscopy (LIBS) for Quantification of Carbon in Steel within UV/Visible Region, American Journal of Physics and Applications. Vol. 2, No. 6, 2014, pp. 113-117. doi: 10.11648/j.ajpa.20140206.11
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