<RESEARCH REPORT>E2 Heavy Ion Beam Probe for Potential Measurement
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概要
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A compact heavy ion beam probe is developed for the plasma potential measurement. The probe can be installed in a vacuum vessel nearby a plasma to be measured. It consists of a high energy heavy(singly charged) ion beam source and a multi-grid type energy analyzer as a detector for doubly charged secondary ions. The beam source functions sufficiently well for the purpose in a rather strong magnetic field, up to 2 kG. In cross check experiments, the good agreement is obtained between the potential measurements with the present probe method and with a Langmuir probe within 10 volts in He test plasmas; n_e≳5×10^<11>/cm^3,T_e∿30 eV and a confining magnetic field∿0.5 kG.
- 核融合科学研究所の論文
著者
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SAKAI Yoshiyuki
Research Laboratory for Genetic Information, Kyushu University
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Sakai Yoshiyuki
Department Of Applied Physics Faculty Of Engineering Osaka City University
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Katsumata Itsuo
Research Institute for Atomic Energy
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Oshio Takanori
Research Institute for Atomic Energy
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Sakai Yoshiyuki
Research Institute For A Tomic Energy Osaka City University
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Oshio Takanori
Research Institute For Atomic Energy:(present Address)department Of Electrical Engineering Hiroshima
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