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Diagnostics of Electron Temperature in Laser Produced Plasma from Iron Using Plasma X-ray Emission

Awadalla, Mohamed Osman and Nour, A. H. (2016) Diagnostics of Electron Temperature in Laser Produced Plasma from Iron Using Plasma X-ray Emission. Australian Journal of Basic and Applied Sciences, 10 (17). pp. 107-113. ISSN 1991-8178

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Abstract

X-rays emitted from plasmas were used to calculate the temperature from the X-ray line intensity ratio. We used a Nd: YAG laser system, frequency doubled 532 nm, emitting 40 ps pulses at repetition rate 1 to 10 Hz. The energy on target was about 30 mJ corresponding to an intensity of 1013 Wcm2. X-ray spectra in the range 12 - 17 Å from iron targets were detected. According to Boltzmann law, a plot of the logarithmic term versus ΔE yields a straight line with slope equal to –1/T. The plasma electron temperature determined in this way was ~ 13.18 eV for Fe.

Item Type: Article
Uncontrolled Keywords: Laser-Plasma X-ray emission, plasma Temperature, Line Intensity Ratios, Boltzmann distribution
Subjects: T Technology > TP Chemical technology
Faculty/Division: Faculty of Chemical & Natural Resources Engineering
Depositing User: Noorul Farina Arifin
Date Deposited: 24 Feb 2017 05:28
Last Modified: 24 Jan 2018 00:42
URI: http://umpir.ump.edu.my/id/eprint/16839
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