Efficiency of UV wide-band source on transitions of Xe and Kr molecular ions

Andrei V. Fedenev; Victor F. Tarasenko

doi:10.1117/12.460149

26 March 2002 Efficiency of UV wide-band source on transitions of Xe and Kr molecular ions

Proceedings Volume 4747, International Conference on Atomic and Molecular Pulsed Lasers IV; (2002) https://doi.org/10.1117/12.460149
Event: International Conference on Atomic and Molecular Pulsed Lasers IV, 2001, Tomsk, Russian Federation

Abstract

Experimental study of Xe and Kr radiation spectrum temporal dynamics under pumping by nanosecond e-beam have been carried out for the purpose to determine the dependence of UV radiation efficiency of molecular-ion continua (MIC) on pressure. The results obtained allow to draw a conclusion, that with increase of gas pressure it does happen the change of the main radiating molecules from double-ionized to single ionized ones, and the efficiency of MIC radiation in inert gases decreases. To obtain the laser oscillation at MIC of inert gases is more probable at low pressures, when absorption in active medium is small and MIC radiation efficiency is maximal. It is necessary to use a selective narrow-band resonator in this case. From the point of view of efficient use of e-beam energy the optimal excitation geometry is the longitudinal relatively to optical axis.

Citation Download Citation

Andrei V. Fedenev and Victor F. Tarasenko "Efficiency of UV wide-band source on transitions of Xe and Kr molecular ions", Proc. SPIE 4747, International Conference on Atomic and Molecular Pulsed Lasers IV, (26 March 2002); https://doi.org/10.1117/12.460149

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