Abstract
Photon-burst mass spectrometry uses bursts of resonant fluorescence during at atom’s transit through a laser beam to count rare atoms with high optical selectivity against adjacent isotopes.1 We have investigated the high optical isotopic selectivity of this method by using a photon-burst mass spectrometer designed to detect magnesium ions. The spectrometer consists of a Coultron ion source, Wein filter as a mass separator (δm/m ~ 200), a 10’ bend to eliminate light from the ion source, and a decelerator to provide ions at the desired energy. The ion detection region consists of two photon-burst detection cells.
© 1992 Optical Society of America
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