Optical pumping of the oxygen-iodine laser medium

Marsel V. Zagidullin; Mikhail S. Malyshev; Valeriy N. Azyazov; Michael C. Heaven

doi:10.1117/12.2218412

22 April 2016 Optical pumping of the oxygen-iodine laser medium

Marsel V. Zagidullin, Mikhail S. Malyshev, Valeriy N. Azyazov, Michael C. Heaven

Proceedings Volume 9729, High Energy/Average Power Lasers and Intense Beam Applications IX; 97290G (2016) https://doi.org/10.1117/12.2218412
Event: SPIE LASE, 2016, San Francisco, California, United States

Abstract

The kinetics of the processes in an O₂/I₂/Ar/H₂O gas flow that is irradiated simultaneously by light at wavelengths near 500 nm and 1315 nm, is considered. Radiation at 500 nm is used to photodissociate about 1% of the iodine molecules. The radiation at 1315 nm excites atomic iodine to the ²P_1/2 state. Singlet oxygen molecules are produced via the energy exchange process I(²P_1/2)+O₂(X³Σ) → I(²P_3/2) + O₂(a¹Δ), while I(²P_1/2)+O₂(a¹Δ) energy pooling produces b¹Σ oxygen. I(²P_1/2) and O₂(b¹Σ) then accelerate the dissociation of I₂. This active medium may reach ~40 W/cm^–2 at an optical efficiency of 50%.

Citation Download Citation

Marsel V. Zagidullin, Mikhail S. Malyshev, Valeriy N. Azyazov, and Michael C. Heaven "Optical pumping of the oxygen-iodine laser medium", Proc. SPIE 9729, High Energy/Average Power Lasers and Intense Beam Applications IX, 97290G (22 April 2016); https://doi.org/10.1117/12.2218412

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