16 April 2018 Amplification of spontaneous emission on sodium D-lines using nonresonance broadband optical pumping
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Proceedings Volume 10614, International Conference on Atomic and Molecular Pulsed Lasers XIII; 1061403 (2018) https://doi.org/10.1117/12.2302690
Event: XIII International Conference on Atomic and Molecular Pulsed Lasers, 2017, Tomsk, Russia
Abstract
This work describes an experimental study of obtaining the amplified spontaneous emission (ASE) on sodium D-lines using nonresonance broadband optical pumping. ASE is observed at transitions D2 and D1 line: 589 nm (32 P3/2 – 32 S1/2) and 589.6 nm (32 P1/2 – 32 S1/2). The active medium was pumped by the dye laser with FWHM of 5 nm, maximum radiation in the range 584.5-586.5 nm, and pulse energy above 2 mJ. The working temperature of the active medium was 260 °С, initial pressure of buffer gas-helium was 300 torr (operating pressure - 500 torr). A change in the absorption spectra at D lines at different temperatures of the active medium and buffer gas pressures was observed
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T. D. Petukhov, T. D. Petukhov, G. S. Evtushenko, G. S. Evtushenko, E. N. Tel'minov, E. N. Tel'minov, } "Amplification of spontaneous emission on sodium D-lines using nonresonance broadband optical pumping", Proc. SPIE 10614, International Conference on Atomic and Molecular Pulsed Lasers XIII, 1061403 (16 April 2018); doi: 10.1117/12.2302690; https://doi.org/10.1117/12.2302690
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