Formation of a Plasma by Low Energy Ion Injection and Cyclotron Heating

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概要

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• A new method has been devised to produce a high temperature plasma by injecting an ion beam into a static magnetic mirror field. In this method, ions are injected along the axis of the D.C. magnetic field lines and are given energy through the oscillating electro-magnetic field of the cyclotron frequency. Therefore, the magnetic moments of ions are increased while it travels from one end of the mirror field to the other end. The injected ions are thus reflected at the opposite mirror end and some of them perform reciprocating motions between both ends. While an in-phase ion gets energy from the R.F. field, an out-of-phase ion is decelerated and escapes from the mirror ends. The probability of trapping an injected ion is about three-tenths to one-half, depending on the strength of the oscillating field. As the ion current becomes large, which is opposite phase to the external R.F. current, the injected ions are no longer trapped. In our device, the ion density will be limited to about 10^<12>/cm^3.

• 社団法人日本物理学会の論文
• 1960-05-05

著者

• Dodo Taro

  Hitachi Central Research Laboratory

関連論文

• Formation of a Plasma by Low Energy Ion Injection and Cyclotron Heating
• Microwave Attenuation by Cyclotron Resonance in a Slightly Ionized Gas
• Heating of a Plasma by Acoustic Waves
• Spectrum of the Electron Cyelotron Resonance in a Plasma
• Measurements on Collision Frequencies of Electrons in Neon Gas

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