| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2019: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2017: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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| Outline of Final Research Achievements |
A second harmonic multi-frequency Gaussian beam output gyrotron has been developed. Nine second harmonic modes that can be converted into a Gaussian beam with the same mode converter were selected. An oscillation test was performed and it was demonstrated that a Gaussian beam can be output in eight modes out of the nine and one more. Single mode oscillations of the second harmonics were obtained at four frequencies. In addition, ten fundamental wave modes were observed with the same gyrotron, and it was proved that the frequency could be continuously changed in five frequency bands.
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