Refraction-enhanced x-ray radiography for density profile measurements at CH/Be interface
2011
An x-ray radiographic technique utilizing refraction for phase contrast enhancement is developed. This technique is advantageous for study of discontinuities such as interfaces and shock fronts. Proof-of-principle experiment has been performed using OMEGA laser for CH/Be targets. The experimental design, including choice of backlighter, geometry and tolerance of surface roughness, is presented. Factors affecting the spatial resolution, background and sensitivity are discussed.
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