High-energy point-projection radiography of a driven, shielded Hohlraum

Abstract

Point projection backlighting is a high magnification, high resolution x-ray backlighting configuration that provides detailed images of large objects at a reduced energy budget compared to area backlighting. However, point projection backlighting has the drawback that the camera aperture is large and open to more sources of noise. This issue has made it difficult to image driven targets without shielding. We present 9keV x-ray images of the rear end of a driven Hohlraum that employs shielding. We also present data of a 10.3keV x-ray image of an undriven Hohlraum.