Forming a ``perfectly`` uniform shell of solid DT fusion fuel by the beta-layering process
1992
Optical measurements made with a high resolution CCD video camera show that the solid DT layer formed by the ``beta-layering`` process in an isothermal cylindrical bore of 2000 {mu}m diameter may meet the strict criteria for layer thickness uniformity required by implosion considerations ({approximately} 1% of the average layer thickness). Measurements are reported on preliminary experiments in which a 75 {mu}m thick solid layer was formed. Although the solid DT layer on the bore equilibrated with the expected rate constant of {approximately} 30 minutes, the layers on the optical windows were not optically smooth after more than 16 hours, leading to slight optical aberrations in the final image.
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