Spectroscopic Analysis of CdO1-X: SnX Plasma Produced by Nd:YAG Laser

Madyan A.   Khalaf; Baida M.  Ahmed; Kadhim A.  Aadim

doi:10.24996/ijs.2020.61.7.15

Authors

Madyan A. Khalaf Department of Physics, College of Sciences, University of Mustansiriyah, Baghdad, Iraq
Baida M. Ahmed Department of Physics, College of Sciences, University of Mustansiriyah, Baghdad, Iraq
Kadhim A. Aadim Department of Physics, College of Sciences, University of Baghdad, Baghdad, Iraq

DOI:

https://doi.org/10.24996/ijs.2020.61.7.15

Keywords:

Laser Induced Plasma Spectroscopic (LIPS), Optical Emission Spectroscopic (OES), Cadmium oxide (CdO), Tin (Sn)

Abstract

In this work, the optical emission spectrum technique was used to analyze the spectrum resulting from the CdO:Sn plasma produced by laser Nd:YAG with a wavelength of (1064) nm, duration of (9) ns, and a focal length of (10) cm in the range of energy of 500-800 mJ. The electron temperature (T_e) was calculated using the in ratio line intensities method, while the electron density (n_e) was calculated using Saha-Boltzmann equation. Also, other plasma parameters were calculated, such as plasma (f_p), Debye length (Î»_D) and Debye number (N_D). At mixing ratios of X=0.1, 0.3 and 0.5, the CdO_1-X:Sn_X plasma spectrum was recorded for different energies. The changes in electron temperature and the densities were studied as a function of the laser energies. Outcome measure value of the electron temperature at the ratio of X = 0.1 was (1.079-1.054) eV, while at X=0.3 the T_e range was (0.952- 0.921) eV and at X=0.5 it was (0.928-0.906) eV.