Multiline (480–496 nm) discharge-pumped iodine monofluoride laser
- 15 November 1980
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 37 (10) , 873-876
- https://doi.org/10.1063/1.91780
Abstract
Lasing at 478.7, 484.7, 490.7, and 496.5 nm has been observed on the E→A3Π (bound→bound) band of the IF (iodine monofluoride) molecule in discharge‐pumped He, Ar, CF3I, and NF3 gas mixtures. Oscillation was obtained using a stable optical cavity with output coupling mirror transmissions of 0.2 and 92%. For a 99.7%‐He, 0.2%‐NF3, and 0.1%‐CF3I (ptotal≈1540 Torr) gas mixture and T∼92% (quartz flat), output pulse energies of ∼0.35 mJ in a ∼15‐ns FWHM pulse (peak output power ≳24 kW) were measured. Optimization of the cavity output coupling and increased Ar pressures in conjunction with the use of an attaching gas (to raise the discharge E/N) are expected to improve the output energy and, consequently, the overall efficiency of this blue‐green laser.Keywords
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