XUV spectroscopy utilizing a 1-m grazing incidence spectrograph and photoelectric diodes is used to determine the response of approximately one-proton-range-thick planar targets to an intense beam of hydrogen and carbon ions. Electron temperature, brightness temperature, and total radiated power are then compared with radiation-hydrodynamic calculations to determine the ion-beam energy deposition and incident current density. Incident current densities of 25–35 kA/cm2 with 80% proton current and 20% singly ionized carbon ion current are consistent with the spectroscopic measurements.
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Burns et al. (1979) studied this question.
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