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Optica Publishing Group
  • Applied Spectroscopy
  • Vol. 63,
  • Issue 4,
  • pp. 423-429
  • (2009)

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

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Abstract

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) CO<sub>2</sub> 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.

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