NDLI: Interstage closure times for the rimfire multistage gas switch

Content Provider	IEEE Xplore Digital Library
Author	Turman, B.N. Humphreys, D.R. Richards, C.N.
Copyright Year	1989
Description	Author affiliation: Sandia National Laboratories, Atmospheric Physics Associates (Turman, B.N.)
Abstract	The Rimfire multistage switch is a low-jitter SF/sub 6/ insulated gas switch that has been developed for PBFA II. The first stage is laser-triggered, and the subsequent stages are self-fired by the over-voltage from the closure of the triggered stage. The runtime of the 5 MV PBFA II switch is approximately 30 ns, and the standard deviation timing jitter is 1 ns. A Thomson streak camera and cylindrical imaging optics have been used to observe stage closure times, and a gated, single-frame camera recorded snapshots of the discrete arcs during closure. These observations have shown that approximately half the switch closure time comes from the trigger and first self-break gap. The switch jitter is also dominated by these first gaps. Computer simulations, based on T. H. Martin's empirical gas breakdown model, agree with the experimental measurements, and give insight to the dynamics of the switch closure process.
Starting Page	555
Ending Page	558
File Size	391043
Page Count	4
File Format	PDF
DOI	10.1109/PPC.1989.767546
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1989-06-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electrodes Optical switches Timing jitter Gas lasers Cameras Electric breakdown Testing Voltage Laboratories Physics
Content Type	Text
Resource Type	Article

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