Abstract
The valence electrons in sodium vapour were aligned by optical pumping to a polarization between 5% and 15%. An electron beam of 10−12 A current, 10−2rad divergency and 1 mm diameter has been obtained by ionisation of the sodium vapour with uv-light. This electron beam was polarized up to 2% as measured by Mott scattering.
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Die Verfasser haben herrn Dr. W.Raith und Herrn Dipl.-Ing. H.Seifert für anregende Diskussionen und Hilfe bei den Messungen zu danken.
Der Bundesminister für wissenschaftliche Forschung hat die Arbeit in dankenswerter Weise durch die Gewährung von Personal- und Sachmitteln unterstützt.
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Boersch, H., Lemmerich, J. & Schliepe, R. Erzeugung polarisierter Elektronenstrahlen durch optisches Pumpen. Z. Physik 182, 166–170 (1964). https://doi.org/10.1007/BF01380715
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DOI: https://doi.org/10.1007/BF01380715