Abstract
Q-switched Nd:YAG laser induced plasma from a copper target was studied by time-gated optical multichannel analyser. The features of the spectra such as the plasma background, the type of lines of the solid sample (singlet-doublet, doublet-singlet, doublet-doublet, quadruplet-doublet, quadruplet-quadruplet), the buffer gas, the intensity-time dependence and the line broadening of the neutral and ionic lines are described. Nitrogen, oxygen ion and metal oxide emission, self-absorption, pressure and Stark broadening is predominant at the onset of plasma formation. A time delay is required to reach the best analytical performance.
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