Characteristics of Lead and Sulfur Plasma Parameters by Optical Emission Spectroscopy

Authors

  • Marwa J. Ketan Department of physics, College of Science, University of Baghdad, Baghdad, Iraq
  • Kadhim A. Aadim Department of physics, College of Science, University of Baghdad, Baghdad, Iraq

DOI:

https://doi.org/10.24996/ijs.2023.64.1.19

Keywords:

Laser-induced breakdown spectroscopy (LIBS), YAG Laser, Optical Emission Spectrometer, Pb Plasma, S plasma

Abstract

This study uses the optical emission spectroscopy (OES) technique to find the lead(Pb) and sulfur (S) plasma parameters employing a pulse of Nd: YAG laser (Q-switched 1064nm wavelength) and different laser energies of (400,500,600 and 700 mJ). The electron temperature Te (eV) is calculated using the Boltzmann-Plot method, and the electron density ne (cm-3)is determined by the Stark broadened way. Moreover, Debye length λD (cm) and plasma frequency ωp (Hz) are studied as a function of laser energy. An apparent increase was noted in the electron temperature of lead plasma and a decrease in sulfur plasma. The results also showed that each increase in the laser intensity causes an increase in the optical emission peaks. This experiment was carried out under atmospheric pressure.

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Published

2023-01-30

Issue

Section

Physics

How to Cite

Characteristics of Lead and Sulfur Plasma Parameters by Optical Emission Spectroscopy. (2023). Iraqi Journal of Science, 64(1), 188-196. https://doi.org/10.24996/ijs.2023.64.1.19
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