IR STIMULATED EMISSION ON THE 2 → 1 VIBRATIONAL TRANSITION OF CO AND NO IN SOLID N2 J. P. Galaup, J. Y. Harbec, J. J. Zondy, R. Charneau et H. DubostJ. Phys. Colloques, 46 C7 (1985) C7-299-C7-304DOI: https://doi.org/10.1051/jphyscol:1985754