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Lasing of HCN and C(2)H(2) in the 3-micron region was demonstrated with a ns pump emitting in the telecommunication C band (1.5 micron region). The observed laser lines correspond to transitions from the terminal pump vibration-rotation state to a combination vibrational state.
We demonstrate for the first time an optically pumped gas laser based on population inversion using a hollow core photonic crystal fiber (HC-PCF). The HC-PCF filled with 12C2H2 gas is pumped with ~5 ns pulses at 1.52 μm and lases at 3.12 μm and 3.16 μm in the mid-infrared spectral region. The maximum measured laser pulse energy of ~6 nJ was obtained at a… (More)
Lasing from HCN gas contained in HC-PCF is observed for the first time. Mid-IR pulses (3.15 and 3.09 μm) were generated by optically pumping at 1.54 μm. A <sup>12</sup>C<sub>2</sub>H<sub>2</sub>-filled gas laser is also studied quantitatively.
Lasing from population inversion is demonstrated from gas contained in a hollow-core kagome structured photonic crystal fiber. Laser pulses in the mid-IR (3.1–3.2 µm) were generated by optically pumping at λ ∼ 1.5 µm.
Continuous wave lasing of a hollow-core fiber gas laser (HOFGLAS) is achieved with molecular iodine in the 1280-1340 nm region when optically pumped at 532 nm.
We demonstrate what we believe is the first hollow fiber gas laser based on population inversion. A single-cell-defect Kagome fiber with a core diameter of about 40 microns was filled with a few torr of acetylene (<sup>12</sup>C<inf>2</inf>H<inf>2</inf>). Acetylene has absorption transitions in the attractive telecommunication C band region and recently… (More)
CW lasing in the 1280-1340 nm region is demonstrated from molecular iodine gas contained in a hollow-core kagome structured photonic crystal fiber when optically pumped at 532 nm.