A track image analyser based on a linear charged coupled detector arra
y is presented. The system can view large detector areas and operates
in conjunction with an original image analysing software. The analyser
is designed to extend both the minimum detectable level, by scanning
large areas, and the track saturation level, by recognising partially
overlapping pits. Tables of diameter statistics were generated from th
e analysis of CR-39 plates irradiated by monoenergetic neutrons. These
can be used for the unfolding of neutron energy distributions, as was
verified with radionuclide and benchmark spectra.