A solid state laser at 4.96 μm: CO in crystalline N2

Laser generation at 4.96 mm was achieved on the v = 2 -> v = 1 transition of 13C18O dild. in N2 crystals. Conversion efficiencies of 10-20% and stimulated emission cross-sections of  10-15-10-13 cm2 are reported. [on SciFinder (R)]