Optical Emission Spectroscopy Study of Fe Plasma at Atmospheric Pressure
Journal Title: PARIPEX-Indian Journal of Research - Year 2017, Vol 6, Issue 3
Abstract
This paper studied spectroscopically Fe plasma produced by fundamental pulsed Nd-YAG laser with a pulse period of 5ns focused onto a rigid Fe target at atmospheric pressure. The plasma plume intensity, plume volume, temperature and density of electrons are calculated by spectroscopy of neutral atom and Fe ion line emission at different laser energy. The results show the Fe plasma plume intensity and plume volume increasing with increasing of Laser energy. The temperature of electron is calculated by using Boltzmann plot method while the electron density is determined by using Stark broadening method of measured spectral lines. The electron temperature was increasing with increasing of laser energy to become maximum at laser energy equal to 700mJ. If the laser energy increasing greater than 700 mJ, the electron temperature is reduced. In addition, the laser energy has no effect on the electron density.
Authors and Affiliations
Qusay Adnan Abbas
Keywords
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