A liquidhyphen;He/liquidhyphen;N2cryostat system has been developed to freeze D2gas and extrude fibers of solid deuterium into a vacuum chamber. Fibers that are 40 mgr;m in diameter and 10 cm long have been successfully and routinely produced. The fibers are observed to remain constant in physical dimensions for several minutes. A fiber will be used as the electrical load for a pulsed power machine in a program investigating the properties of dense, ohmically heated plasmas for controlled thermonuclear fusion.
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