Flash radiography 8 Metallic objects 6 Plasma devices 6 X ray radiography 6 Estimation 4 Image intensifiers (electron tube) 4 Mather-type tabletop plasma 4 Metal detectors 4 Optimization 4 Phosphor intensifiers 4 Phosphors 4 Attenuation data 2 Compressional 2 Flash hard X-ray source 2 Gadolinium 2 Hard X ray 2 Induced voltages 2 Metallic samples 2 Metallic walls 2 Numerical estimation 2 Plasma focus 2 Plasma focus devices 2 Plasma focus hard X-rays 2 Plasmas 2 Radiographic films 2 Single shot HXR spectral analysis 2 Spectral components 2