| Budget Amount *help |
¥12,220,000 (Direct Cost: ¥9,400,000、Indirect Cost: ¥2,820,000)
Fiscal Year 2021: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2020: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2019: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2018: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
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| Outline of Final Research Achievements |
Electron Bernstein emission (EBE), which has no cutoff density, has been measured and the mode conversion process has been experimentally investigated to evaluate the electron temperature profile in overdense plasmas. The electron cyclotron emission (ECE) converted from the EBE has been successfully observed with a 16-channel Ka-band radiometer in the Heliotron J and LHD devices. In Heliotron J, the ECE intensity is maximal when the antenna is oriented toward the OX window, and the ECE frequency spectrum depends on the magnetic field strength. The ECE from the BXO mode conversion in LHD has a strong Doppler shift due to the large parallel refractive index.
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