Abstract
We present optical emission characteristics of the titanium plasma produced by the fundamental (1064 nm) and second (532 nm) harmonics of a Q-switched Nd: YAG laser using laser induced breakdown spectroscopy (LIBS). The experimentally observed line profiles of neutral titanium (Ti I) have been used to extract the electron temperature (T e ) using the Boltzmann plot method. The electron number density (N e ) is calculated using the Stark broadening profile of 368.73 nm spectral line. Beside we have studied the spatial variation of electron temperature and number density as a function of laser energy for titanium plasma by placing the target material in air (at atmospheric pressure). We have determined the electron temperature and the electron number density along the axial position of the plasma plume.
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Hanif, M., Salik, M. & Baig, M.A. Optical spectroscopic studies of titanium plasma produced by an Nd : YAG laser. Opt. Spectrosc. 114, 7–14 (2013). https://doi.org/10.1134/S0030400X13010116
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DOI: https://doi.org/10.1134/S0030400X13010116