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Latent ion tracks in polymers can incorporate dyes at high concentrati
ons. This is of interest in a number of applications. Dyes may also be
used as sensitive probes to study the fine structure of latent ion tr
acks. In this work, we discuss the dependence of dye uptake on both ti
me and mean transferred electronic energy density, and also consider t
he depth distribution of dyes along ion tracks. Special attention is p
aid to dye uptake in tracks created by energetic carbon cluster ions.