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Dual-Laser-Beam-Induced Breakdown Spectroscopy of Copper Using Simultaneous Continuous Wave CO2 and Q-Switched Nd:YAG Lasers

Volume 63, Number 4 (April 2009) Page 423-429

Shoursheini, S.Z.; Parvin, P.; Sajad, B.; Bassam, M.A.

In this work, we investigate the enhancement of Cu emission lines of a micro-plasma induced by a Nd:YAG laser due to the thermal effect of simultaneous irradiation by a continuous wave (CW) CO2 laser. The enhancement of the emission lines was achieved at a higher temperature with minimal distortion of the target when the focal point of the Nd:YAG laser was located approximately 1 mm away from the sample surface.