Breakdown property 1 Discharge chamber 1 Electric discharges 1 Experimental demonstrations 1 Flash hard X-ray source 1 Flash radiography 1 Hard X-ray sources 1 Hard X-ray spectrum 1 Hard x-ray emission 1 Hard x-ray imaging 1 Numerical calculation 1 Plasma Focus 1 Plasma devices 1 Plasma focus hard X-rays 1 Plasma hard X-ray sources 1 Radiation 1 Radiographic method 1 Single shot HXR spectral analysis 1 Single-shot images 1 X ray analysis 1 X ray radiography 1 X rays 1