| Co-Investigator(Kenkyū-buntansha) |
武藤 俊哉 東北大学, 電子光理学研究センター, 助教 (10431496)
日出 富士雄 東北大学, 電子光理学研究センター, 准教授 (60292207)
柏木 茂 東北大学, 電子光理学研究センター, 准教授 (60329133)
南部 健一 東北大学, 電子光理学研究センター, 技術専門職員 (00422072)
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| Budget Amount *help |
¥43,030,000 (Direct Cost: ¥33,100,000、Indirect Cost: ¥9,930,000)
Fiscal Year 2020: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2019: ¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
Fiscal Year 2018: ¥19,370,000 (Direct Cost: ¥14,900,000、Indirect Cost: ¥4,470,000)
Fiscal Year 2017: ¥13,390,000 (Direct Cost: ¥10,300,000、Indirect Cost: ¥3,090,000)
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| Outline of Final Research Achievements |
The goal of this study is to establish understanding for variable polarized Terahertz (THz) radiation source. In addition to theoretical and experimental study on characteristics of polarized radiation of which is superimposed electric fields of two coherent radiations emitted from a ultra-short electron beam passing thorough the crossed undulator system, the beam dynamics under the magnetic field of the undulator system was studied. It was found out that the degree of polarization is pretty sensitive to the radiation angle, and small slippage between the radiation and the electrons that is a bit slower than the velocity of light is not negligible. Consequently a fully considered and perfected design of the guide magnetic field including the undulators is absolutely necessary for the accelerator-based variable polarized THz source to be attained.
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