Emission signal enhancement and plasma diagnostics using collinear double pulse for laser-induced breakdown spectroscopy of aluminum alloysDui-Xiong Sun, Mao-Gen Su and Chen-Zhong DongEur. Phys. J. Appl. Phys., 61 3 (2013) 30802DOI: https://doi.org/10.1051/epjap/2013120470