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2 December 2021 Features of the xenon excimer VUV spectra formation
G. N. Zvereva
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Proceedings Volume 12086, XV International Conference on Pulsed Lasers and Laser Applications; 1208615 (2021) https://doi.org/10.1117/12.2614089
Event: XV International Conference on Pulsed Lasers and Laser Applications, 2021, Tomsk, Russian Federation
Abstract
The change in the shape of xenon dimers second continuum spectrum (3,1Σ+u→1Σ+g), excited in a barrier discharge (P = 300 Torr), depending on the gas temperature is studied. It was found that an increase in the gas temperature from Т = 500 K to 1300 K leads to a broadening of the continuum at half maximum from Δλ = 15 nm to Δλ = 20.5 nm and a shift of its maximum to the short-wave region from λ = 173.2 nm to λ = 172.5 nm. The relative increase in intensity occurred in the short-wavelength wing, while the position of the short-wavelength continua boundary did not depend on temperature.The shape of the second continuum of krypton dimers experienced much smaller changes under similar excitation conditions, which was explained by the lower heating of the gas and the lower change in the relative population of the vibrational levels.
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G. N. Zvereva "Features of the xenon excimer VUV spectra formation", Proc. SPIE 12086, XV International Conference on Pulsed Lasers and Laser Applications, 1208615 (2 December 2021); https://doi.org/10.1117/12.2614089
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KEYWORDS
Xenon
Krypton
Vacuum ultraviolet
Excimers
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