Spectroscopic estimation of electron temperature and density of zinc plasma open air induced by Nd:YAG laserR. Qindeel, M. S. Dimitrijević, N. M. Shaikh, N. Bidin and Y. M. DaudEur. Phys. J. Appl. Phys., 50 3 (2010) 30701DOI: https://doi.org/10.1051/epjap/2010047