The VUV dimer spectra excited in condensed krypton

Gennady N. Gerasimov; Boris E. Krylov; Reinhold Hallin

doi:10.1117/12.563012

3 May 2004 The VUV dimer spectra excited in condensed krypton

Gennady N. Gerasimov, Boris E. Krylov, Reinhold Hallin

Proceedings Volume 5483, Atomic and Molecular Pulsed Lasers V; (2004) https://doi.org/10.1117/12.563012
Event: Atomic and Molecular Pulsed Lasers V, 2003, Tomsk, Russian Federation

Abstract

The vacuum ultraviolet (VUV) emission spectra of krypton homonuclear molecules (dimers) were observed in the wavelength range 120-200 nm. The krypton dimers were excited in a DC capillary discharge and the wall of tube could be cooled with liquid nitrogen. The homogeneous DC discharge was a straight channel in the middle of capillary tube. The gas krypton pressure in the discharge channel could be stabilized in the pressure range from 3 hPa to 1000 hPa. The DC discharge current density and the electron concentration were ~ 10 A/cm² and ~ 2-4 10¹⁴ cm^-3, respectively. The VUV krypton spectra excited in vicinity of solid krypton were compared with the spectra recorded without condensed krypton. The VUV spectral lines intensities were observed as nonlinear function of the discharge length. This nonlinear increase of intensity with the length of the tube has still to be explained.

Citation Download Citation

Gennady N. Gerasimov, Boris E. Krylov, and Reinhold Hallin "The VUV dimer spectra excited in condensed krypton", Proc. SPIE 5483, Atomic and Molecular Pulsed Lasers V, (3 May 2004); https://doi.org/10.1117/12.563012

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