Abstract
WHILE engaged in some experiments on mercury resonance radiation at Johns Hopkins University last spring, I became convinced that a less erratic and, if possible, more intense source than the usual watercooled quartz arc was almost a necessity for some kinds of work. A high-voltage discharge seemed likely to be much steadier than a low-voltage arc, and an obvious way of cutting down self-reversal due to normal mercury vapour was to use a gas for the discharge, with mercury present at a relatively low pressure, secondary processes keeping the mercury atoms largely in excited states. Experimental work was interrupted, however, and it was only recently that an opportunity arose for testing such a source in comparison with a regular quartz mercury arc.
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TUVE, M. A Source for Resonance Radiation. Nature 119, 85 (1927). https://doi.org/10.1038/119085a0
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DOI: https://doi.org/10.1038/119085a0
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