Implementation of the University of Missouri Terawatt Test Stand and the study of a large, multichanneling, laser tirggered gas switch

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Implementation of the University of Missouri Terawatt Test Stand and the study of a large, multichanneling, laser tirggered gas switch

Please use this identifier to cite or link to this item: http://hdl.handle.net/10355/4432

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Title: Implementation of the University of Missouri Terawatt Test Stand and the study of a large, multichanneling, laser tirggered gas switch
Author: LeChien, Keith Robert, 1979-
Date: 2006
Publisher: University of Missouri--Columbia
Abstract: The University of Missouri Terawatt Test Stand is one of the world's largest university operated pulsed power facilities. It was developed and implemented, for a fraction of similar facilities cost, under the supervision of the author. The test stand was routinely operated at up to 200 kA at approximately 200 ns FWHM and 600 kV into appropriate loads. The test stand provides a valuable resource for pulsed power experimentation in areas ranging from component evaluation to wire array physics. The laboratories original initiative was to research 2.5 MV laser triggered gas switches. Experiments were conducted in voltage ranges from 800 kV to 2.5 MV, with peak currents of over 175 kA, using air and SF6 as fill gases. These parameters, along with electrode type, configuration, and size were varied to experimentally understand multichanneling and low inductance configurations for large laser triggered gas switches. This effort discovered that for very low impedance gas switching, avenues of drastic redesign of existing switches must be explored as opposed to modest design changes to meet stringent impedance requirements for future inertial confinement fusion programs. From this initiative, novel results were obtained that may be utilized for the future design of large, low inductance gas switches.
URI: http://hdl.handle.net/10355/4432
Other Identifiers: LeChienK-030206-D4214

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