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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Douglass, J.D. Greenly, J.B. Hammer, D.A. Kusse, B.R. Blanchard, J.T. Maxson, L.M. McBride, R.D. Wilhelm, H. Glidden, S.C. Grasso, S. Sanders, H.D. |
| Copyright Year | 2006 |
| Description | Author affiliation: Lab. for Plasma Studies, Cornell Univ., Ithaca, NY (Douglass, J.D.; Greenly, J.B.; Hammer, D.A.; Kusse, B.R.; Blanchard, J.T.; Maxson, L.M.; McBride, R.D.; Wilhelm, H.) |
| Abstract | The COBRA accelerator at Cornell University has been reconfigured for use with wire arrays. Design goals included 1 MA peak current with a variable zero to peak current rise-time of as little as 100 ns. COBRA is now driven by two Marx generators, each of which feeds a parallel-plate water capacitor. These capacitors are switched into four parallel pulse-forming lines via self-breaking gas switches. Each pulse-forming line is switched into a vacuum adder via a laser-triggered gas switch that can be independently triggered to provide different pulse shapes to a wire array Z-pinch load. A stainless steel, magnetically insulated current convolute similar to that of the Z-Machine at Sandia National Laboratories connects the output switches to the load. A typical load consists of a 4-8 wire cylindrical array with a diameter of 1.6 cm and a height of 2 cm. To date the refurbished COBRA has over 300 shots. These shots have been used for various reasons including machine diagnostic calibration, laser-triggered switch timing and self breaking switch adjustments as well as experiments with cylindrical wire array and high current X-pinch loads. |
| Starting Page | 273 |
| Ending Page | 276 |
| File Size | 2896575 |
| Page Count | 4 |
| File Format | |
| ISBN | 0780391896 |
| DOI | 10.1109/PPC.2005.300595 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-06-13 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Acceleration Switches Wire Capacitors Optical pulse shaping Optical arrays Feeds Gas lasers Shape Steel |
| Content Type | Text |
| Resource Type | Article |
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