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Laser spectroscopic electric field measurement in krypton

Kampschulte, T.; Schulze, J.; Luggenholscher, D.; Bowden, M. D. and Czarnetzki, U. (2007). Laser spectroscopic electric field measurement in krypton. New Journal of Physics, 9(18)

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A laser spectroscopic method for sensitive electric field measurements using krypton has been developed. The Stark effect of high Rydberg states of the krypton autoionizing series can be measured by a technique called fluorescence dip spectroscopy (FDS) with high spatial and temporal resolution. Calibration measurements have been performed in a reference cell with known electric field and they agree very well with numerical solutions of Schrodinger's equation for jl-coupled states. The application of this method has been demonstrated in the sheath region of a capacitively coupled radiofrequency (RF) discharge. The laser spectroscopic method allows us to add krypton as a small admixture to various low temperature plasmas.

Item Type: Article
ISSN: 1367-2630
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Interdisciplinary Research Centre: Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
Item ID: 15624
Depositing User: Colin Smith
Date Deposited: 27 Apr 2009 09:02
Last Modified: 04 Oct 2016 10:20
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