We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Spectroscopy Diagnostic of Laser Intensity Effect on Zn Plasma Parameters Generated by Nd: YAG Laser.
- Authors
Mohammed, Raghad S.; Aadim, Kadhim A.; Ahmed, Khalid A.
- Abstract
The creation and characterization of laser-generated plasma are affected by laser irradiance, representing significant phenomena in many applications. The present work studied the spectroscopy diagnostic of laser irradiance effect on Zn plasma features created in the air by a Q-switched Nd: YAG laser at the fundamental wavelength (1064nm). The major plasma parameters (electron temperature and electron density) have been measured using the Boltzmann plot and the Stark broadening methods. The value of electrons temperature ranged from 6138–6067 K, and the electron density in the range of 1.4×1018 to 2×1018 cm-3, for laser irradiance range from 2.1 to 4.8×108 (W/cm²). The McWhirter criterion for preserving a local thermodynamic equilibrium (LTE) condition is confirmed in this study. Furthermore, other fundamental plasma parameters, such as Debye length (λD), number of particles in Debye sphere (ND), and plasma frequency (ωp), were measured. We found that all plasma parameters are affected by laser intensity.
- Subjects
YAG lasers; LASER spectroscopy; LASER plasmas; DEBYE length; SPECTRAL line broadening; LOCAL thermodynamic equilibrium; ELECTRON temperature
- Publication
Iraqi Journal of Science, 2022, Vol 63, Issue 9, p3711
- ISSN
0067-2904
- Publication type
Article
- DOI
10.24996/ijs.2022.63.9.5