Fast ion source and detector for investigating the interaction of turbulence with suprathermal ions in a low temperature toroidal plasma (original) (raw)

2006, Review of Scientific Instruments

A specific experimental apparatus consisting of an ion source and a detector for the investigation of the interaction between suprathermal ions and drift-wave turbulence is developed on the toroidal plasma experiment. Due to the low plasma temperature ͑ϳ5 eV͒, a spatially localized, small-size ion source ͑ϳ4 cm͒ mounted inside the vacuum vessel with relatively low ion energy ͑ϳ100 eV-1 keV͒ can be used. The source consists of an aluminosilicate Li-6 ion emitter ͑6 mm diameter, 10-30 A current͒ installed on a two-dimensional ͑2D͒ poloidally moving system. The location, energy, and current density profile of the ion beam will be measured using a 2D movable gridded energy analyzer. to 128.178.125.67. Redistribution subject to AIP license or copyright, see http://rsi.aip.org/rsi/copyright.jsp , 10F503 ͑2006͒ Downloaded 20 Oct 2006 to 128.178.125.67. Redistribution subject to AIP license or copyright, see http://rsi.aip.org/rsi/copyright.jsp 10F503-3 Fast ion source on TORPEX Rev. Sci. Instrum. 77, 10F503 ͑2006͒

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