Study of Sn plasma parameters ablated by a 1064 nm Q-switched laser

Study of Sn plasma parameters ablated by a 1064 nm Q-switched laser

In the present work, the parameters of laser-induced Sn plasma are studied using the fundamental of a Q-switched Nd:YAG. An improved iterative Boltzmann plot method is developed to calculate the electron temperature of the plasma to be 5116 K with 14 Sn (I) emission lines. The Sn (I) 303.41 nm emiss...

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Veröffentlicht in:Optik (Stuttgart) 2020-09, Vol.217, p.164860, Article 164860
Hauptverfasser: Zhao, Xiao-Xia, He, Jun-Fang, Wang, Hong-Ying, Yang, Sen-Lin, Li, Yuan-Yuan, Li, Hao
Format: Artikel
Sprache:eng
Schlagworte:
Electron density
Electron temperature
Laser-induced breakdown spectroscopy
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Zusammenfassung:In the present work, the parameters of laser-induced Sn plasma are studied using the fundamental of a Q-switched Nd:YAG. An improved iterative Boltzmann plot method is developed to calculate the electron temperature of the plasma to be 5116 K with 14 Sn (I) emission lines. The Sn (I) 303.41 nm emission line is Lorentz fitted and the electron number density is inferred to be 7.6 × 1016 cm−3. Moreover, the validity of local thermodynamic equilibrium is elucidated.
ISSN:0030-4026
1618-1336
DOI:10.1016/j.ijleo.2020.164860