Abstract

A new contact microradiographic system for analyzing laser fusion targets with 2-D modeling and image analysis techniques is described. This system, which uses a monochromatic x-ray source and Kodak high-resolution plate emulsion, is sensitive to spherical wall thickness variations (eccentricities) as small as ±200 Å in hollow shells with a mean wall thickness of 1 μm. Measurements of wall thickness and of local and spherical wall thickness variations by radiographic techniques, using 2-D video, digital image analysis, and optical interferometry, are compared.

© 1979 Optical Society of America

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