Optic diagnosis of neutral beam injection on HL-1M

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1. IntroductionHeating ion of p1asma is one of the main purposesin the field of controlled nuclear fusion, nowadayshigh-power NBI is recognized as an effective means,and its technique is mature comparatively. The hy-drogen (deuterium) neutral atom beam with highenergy can be directly injected into plasma withoutinduction of magnetic field and heating plasma toigniting temperature (ion temperature l0 keV). In199l on JET, E.E.C, NBI heating power reached l5 1. Introduction Heming ion of p1asma is one of the main purposes in the field of controlled nuclear fusion, nowadays high-power NBI is recognized as an effective means, and its technique is mature comparatively. The hy-drogen (deuterium) neutral atom beam with highenergy can be directly injected into plasma without induction of magnetic field and heating plasma toigniting temperature (ion temperature l0 keV) .In1991 on JET, EEC, NBI heating power reached l5
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