| 摘要 |
A continuous wave electron-beam accelerator that accelerates a continuous wave electron beam having a large average current includes an electron beam generator 11, an electron-beam accelerating unit 13 using a radio-frequency electric field having a frequency of approximately 500 MHz to accelerate an continuous wave electron beam, and electron-beam bending units 14, 15, 16 that are provided across the electron-beam accelerating unit and that bend the continuous wave electron beam a number of times. Each electron-beam bending unit includes divided magnets 15,16 having identical-polarity magnetic fields, and controls the continuous wave electron beam to pass through the electron-beam acceleration unit 13 a number of times on almost the same path.
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