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Experiments were performed to find out plasma parameters for Nickel and Titanium metals which
were irradiated in air (1 atm) to produce plasma plume using Q switched Nd: YAG pulsed laser of 1.1
MW, 10 m J, 1064 nm and 9-14 ns. Langmuir probe was used as a diagnostic tool. The signals at
different probe voltages were recorded on digital storage oscilloscope. The information carried by the
signals was utilized to calculate electron density, electron temperature, Debye’s length and number of
particles in Debye’s sphere. The study shows that the calculated values of these parameters for Nickel
and Titanium are different except Debye’s length. Plasma parameters strongly depend on probe
potentials, material used and ambient conditions.
M. Khaleeq-ur-Rahman, A. Latif , K.A. Bhatti, M.S. Rafique, M. K. Yousaf. (2011) Investigations on Laser Induced Nickel and Titanium Plasmas, Pakistan Journal of Engineering and Applied Sciences, Volume 9, Issue 1.
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