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首页> 外文期刊>Review of Scientific Instruments >Characteristics of a Low Energy Duoplasmatron Negative Ion Source
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Characteristics of a Low Energy Duoplasmatron Negative Ion Source

机译:低能量双等离子体加速器负离子源的特性

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摘要

A duoplasmatron has been constructed specifically to produce negative ion beams of less than 5 keV energy. Design parameters are given for construction and operation of the source. Ion beam energy analyses indicate an energy full width at half maximum of less than 10 eV, and when the ion beam energy is extrapolated to zero, a full width at half maximum of 3 eV is observed. Ion beams of H-, O-, OH-, F-, CN-, and NO2- were produced at 2 keV with beam intensities between 3×10-7 and 10×10-7 A, measured behind a 0.63 cm diam aperture 140 cm downstream from the source.
机译:Duoplasmatron已专门构建用于产生小于5 keV能量的负离子束。给出了用于源的构造和操作的设计参数。离子束能量分析表明,半峰能量全宽小于10 eV,当将离子束能量外推至零时,观察到半峰全宽3 eV。在2 keV处产生H-,O-,OH-,F-,CN-和NO2-的离子束,束强度在3×10-7和10×10-7 A之间,在直径为0.63 cm的孔径之后测量源下游140厘米。

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