Abstract
We carried out a spectroscopic investigation of the degradation of the active medium of a pulsed-periodic KrF emitter based on a He/Kr/SF6 mixture (P = 10–150 kPa) with pumping by a transverse volumetric discharge. The plasma radiation spectra in the range 200–620 nm at different stages of degradation of the working mixture and the dynamics of the radiation of inert gases as well as of the products of decomposition of SF6 molecules in the plasma are studied. It is shown that since the number of discharge pulses is ≥ 104, rather effective formation of excited sulfur molecules is observed which decompose with emission in the spectral range 260–550 nm. This can be employed for developing a wideband lamp based on the system of KrF(B–X; D–X), S2(B–X), and S2(f–a) bands.
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Shuaibov, A.K., Minya, A.I. & Shimon, L.L. Radiation of the Plasma of a Transverse Discharge in a Helium–Krypton–Elegas Mixture. Journal of Applied Spectroscopy 69, 913–917 (2002). https://doi.org/10.1023/A:1022426923931
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DOI: https://doi.org/10.1023/A:1022426923931