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羅裕傑同學參加OPTIC2021光電研討會-榮獲 學生論文獎

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羅裕傑同學參加OPTIC2021光電研討會-榮獲 學生論文獎

Awarded Paper: THz Dielectric-grating Free-electron Laser

Yu-Chieh Lo;Wen-Chi Chen;Xuan-Long Ho;Alex Kopeykin;Chia-Hsiang Chen;Yen-Chieh Huang

National Tsing Hua University [Paper No.  2021-THU-S0301-O002]

 

We report the design and fabrication of a dielectric-grating waveguide driven by 40-keV electrons to emit narrow-line radiation at 0.56 THz. With a current density of 8 A/cm2, the coherent THz radiation builds up from bunched electrons in about 2 ns.

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