Abstract
Optical emission spectroscopic investigations of the plasma produced during Nd:YAG laser ablation of sintered TiO 2 targets, in oxygen and argon gas environments are reported. The spatial variations of electron temperature ( T e) and electron number density ( N e) are studied. The effect of oxygen/argon pressure on electron temperature ( T e) and electron number density ( N e) is presented. The kinematics of the emitted particles and expansion of plume edge are discussed. Spatio-temporal variations of various species in TiO 2 plasma were recorded and corresponding velocities were calculated. The effect of oxygen pressure on intensity of neutral/ion species and their corresponding velocities is also reported.
Published Version
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