Efficient Mid-IR Lasing in Gas-Filled Hollow Waveguides
Résumé
Mid-IR lasers operating at 3 - 3.2 μm and 4.3 - 4.4 μm with efficiencies near 20% have been demonstrated from 12C2H2 and HCN-filled low-loss (< 5 dB/m) kagome-structure HC-PCF and from CO2-filled silver coated capillaries.