Abstract
Abstract Electric discharge lamps are undoubtedly the economically most important devices where radiation trapping occurs (Waymouth 1986). Mercury discharge lamps in the form of fluorescence tubes are the most widespread source of lighting in the world, and also sodium lamps are ubiquitous. Due to this widespread use, even small improvements in lamp efficiency have tremendous effects on world-wide energy consumption. Rough estimates show that if the efficiency of discharge lamps could be increased by only 1%, this would lead to savings of 109 kWh per year! This is in strong contrast to other trapping-related applications, like e.g. atomic line filters, where I% more or less efficiency does not play a really vital role in the course of the universe.
Published Version
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