Time resolved spectroscopic studies of a FXR discharge |
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Authors: | J E Persson S K HÄndel A Englund A Dejke |
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Institution: | 1. Institute of Physics, University of Uppsala, Sweden
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Abstract: | Time resolved spectroscopic studies of some electrode material lines and an impurity line have been performed in a flash X-ray (FXR) discharge. The results indicate that the breakdown takes place in impurities and adsorbed gases released from the electrodes. Thereafter, a front of anode material propagating with a velocity of (1–2)×106 cm/sec moves towards the cathode. A cloud of cathode material is localized outside the cathode during an early stage of the discharge. The anode front and the cathode cloud penetrate each other after current maximum and a “metallic arc” is formed between the electrodes |
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