EXPERIMENTAL STUDY OF POPULATION INVERSION IN LASER PLASMAS J. L. BOCHER, M. BUSQUET, P. COMBIS, J. P. LE BRETON, M. LOUIS-JACQUET, J. M. MEXMAIN et M. NAUDYJ. Phys. Colloques, 47 C6 (1986) C6-253-C6-257DOI: https://doi.org/10.1051/jphyscol:1986632