並列タイトル等Development of a permanent magnet type gyrotron using higher harmonics
一般注記A PM type gyrotron operating at 4th harmonic of the TE41 mode is under development. The basic configuration of the magnetic circuit has already been reported in the previous annual report. Here we present an optimized version of the permanent magnet, which is characterized by a number of significant improvements. The final version was finely tuned taking into account both beam quality considerations and requirements imposed on the mechanical design of the entire system. The inner diameter of the magnet was increased in order to ensure enough space for the electron gun insulation and for the cooling system. Additionally, two coils for fine tuning of the magnetic field profile were set at the gun and at the cavity regions. The adjusting coil at the gun region is located in the outer magnetic yoke because of space Limitations in this region.
連携機関・データベース国立情報学研究所 : 学術機関リポジトリデータベース(IRDB)(機関リポジトリ)