Recent results on the GOL-3 device
1992
The review of activity on the GOL-3 program is presented. The first part of the results is concerned with the experiments on the uniform plasma heating by a 100 kJ E-beam. Heating of the bulk plasma electrons up to 1 keV at 10 15 cm −3 density is achieved. The second group of experiments deals with so-called "two-stage" dense plasma heating. The 10 16 –10 17 cm −3 hydrogen bunches of 0.5–3 m length are produced by gas-puffing. High efficiency of the conversion of the energy, delivered by E-beam to 10 15 cm −3 background plasma occupying the rest of the device, to the dense plasma bunches, is demonstrated. Last part of the paper describes activity on the microsecond ribbon E-beam of 4×140 cm 2 cross section and of 200 kJ energy content on the U-2 generator. The transportation of such a beam at 2 m distance in a slit vacuum channel and its shape transformation to a circular one is achieved.
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