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X-pinch source of subnanosecond soft X-ray pulses based on small-sized low-inductance current generator |
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| Authors: | G A Mesyats T A Shelkovenko G V Ivanenkov A V Agafonov S Yu Savinov S A Pikuz I N Tilikin S I Tkachenko S A Chaikovskii N A Ratakhin V F Fedushchak V I Oreshkin A V Fedyunin A G Russkikh N A Labetskaya A P Artemov D A Hammer D B Sinars |
| Institution: | 1. Lebedev Physical Institute, Russian Academy of Sciences, Moscow, 119991, Russia 2. Moscow Institute of Physics and Technology, Dolgoprudnyi, Moscow oblast, 141700, Russia 3. Institute of High-Current Electronics, Siberian Branch, Russian Academy of Sciences, Tomsk, 634055, Russia 4. Cornell University, Ithaca, New York, 14853, USA 5. Sandia National Laboratories, Albuquerque, New Mexico, 87185, USA |
| Abstract: | For the first time, the regime of a micrometer-size hot spot formation is impemented for an X-pinch in a plasma, which is fed from a current generator based on low-inductance capacitors and rapid current switches. The configurations of X-pinches, which can be used effectively as point sources of soft X-rays with this type of current generator, are determined. A prototype of a small-size radiation source for high-resolution point projection X-ray radiography has been constructed. The main parameters of X-pinch as a radiation source are analyzed and compared with X-pinch parameters in high-voltage setups with shaping lines. An analysis of the data on the operation of X-pinches in generators with different parameters has led to simple relations that can be used to select optimal initial X-pinch parameters. |
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