Abstract

Time-resolved laser-induced fluorescence has been used to measure the lifetimes of 43 selected Fe I levels with energies between 25900 and 52000 cm−1. A beam of iron atoms from a hollow cathode discharge was excited with a tunable dye laser pulse and the fluorescence was measured by means of a fast transient digitizer (1 GHz). The full decay curve could be used for a determination of the lifetimes by including the separately measured response function of the system in the evaluation procedure. A comparison with literature data is given.

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