Using a low-noise technique based on the direct reading of current signals, small induced charge signals due to the diocotron oscillations of a pure electron plasma are measured in the Malmberg-Penning trap ELTRAP. The advantages of this technique in terms of sensitivity and noise reduction are shown.
Low noise techniques for electrostatic diagnostics on a pure electron plasma / G. Bettega, B. Paroli, R. Pozzoli, M. Romé, C. Svelto. - In: MEASUREMENT SCIENCE & TECHNOLOGY. - ISSN 0957-0233. - 19:8(2008 Aug), pp. 085703.1-085703.6. ((Intervento presentato al 8. convegno International Symposium on Measurement Technology and Intelligent Instruments tenutosi a Sendai nel 2007 [10.1088/0957-0233/19/8/085703].
Low noise techniques for electrostatic diagnostics on a pure electron plasma
G. Bettega;B. Paroli;R. Pozzoli;M. Romé;
2008
Abstract
Using a low-noise technique based on the direct reading of current signals, small induced charge signals due to the diocotron oscillations of a pure electron plasma are measured in the Malmberg-Penning trap ELTRAP. The advantages of this technique in terms of sensitivity and noise reduction are shown.
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