13 January 2017 Optically pumped oxygen-iodine laser
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Proceedings Volume 10254, XXI International Symposium on High Power Laser Systems and Applications 2016; 102540H (2017) https://doi.org/10.1117/12.2257396
Event: XXI International Symposium on High Power Laser Systems and Applications, 2016, Gmunden, Austria
Abstract
A novel optical pumping scheme considering a two-step irradiation by light at wavelengths near 500 nm and 1315 nm is proposed in this work. Radiation at 500 nm is used to dissociate about 1% of iodine molecules. The radiation at 1315 nm excites atomic iodine to the 2P1/2 state. Singlet oxygen molecules are produced via the energy exchange process I(2P1/2)+O2(X3Σ)→ I(2P3/2)+O2(a1Δ), while I(2P1/2)+O2(a1Δ) energy pooling produces b1Σ oxygen. I(2P3/2) and O2(1Σ) then accelerate the dissociation of I2. After gas dynamic cooling in supersonic nozzle, active medium may reach ~100 W cm–2 and small signal gain of ~0.01 cm-1.
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Marsel V. Zagidullin, Mikhail S. Malyshev, "Optically pumped oxygen-iodine laser", Proc. SPIE 10254, XXI International Symposium on High Power Laser Systems and Applications 2016, 102540H (13 January 2017); doi: 10.1117/12.2257396; https://doi.org/10.1117/12.2257396
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