Spectra from Foil-Excited Molybdenum Ions

The extreme-ultra-violet spectra (5-55 nm) for foil-excited molybdenum ions have been measured using 22-200 MeV beams from the Brookhaven National Laboratory MP tandem Van de Graaff accelerator facility, 20 ¿g/cm2 C stripping foils, and a grazing incidence spectrometer. The mean ion charge states (13 to 28) and the narrow distribution widths (about 2 charge states) were accurately predictable from experimental parameters. Where possible, comparisons are given with Mo radiation from tokamaks, vacuum sparks, and laser-excited plasmas.