GENERATION OF COHERENT IR, VISIBLE AND UV RADIATIONS BY TWO-PHOTON PUMPING IN ATOMIC BARIUM M. TALEB, G. FABRE, R. STRINGAT, J. d'INCAN et C. EFFANTINJ. Phys. Colloques, 48 C7 (1987) C7-577-C7-579DOI: https://doi.org/10.1051/jphyscol:19877137
