[en] The determination of energy deposition level by direct radiation temperature measurements is important in the inertial confinement fusion program. We describe several techniques and their application to recent experiments in the fusion program at Sandia. Radiation diagnostics in the soft x-ray vacuum ultra-violet are useful for determining temperatures from the slope of the continuum radiation in the temperature regime between 5 eV and a few hundred eV. The intensity ratio of resonant line transitions in successive ionization states can be used for measurements of electron temperature. Temperature measurements coupled with hydrodynamic models can be used to determine power deposition or specific power (power/mass) in a target