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Terahertz pulses accelerating and scanning electron beam can break through the limitation of accelerating electric field between cathodes and grids in traditional streak tubes, thus reducing the time dispersion and enhancing the temporal resolution of time-scanning detectors. Based on this new technology, in this paper an ultra-small structured time-resolved detector with no focusing pole is designed. The terahertz pulse coupling/enhancing device suitable for acceleration zone and scanning zone is designed and optimized. The enhanced coefficient of the terahertz pulse electric field in the device reaches 9.39. In the paper, the relationship between time dispersion in acceleration zone and the moment of electrons emission is analyzed theoretically. We also analyze the influence of space charge effect on time dispersion. The electronic trajectory tracking is used to calculate and analyze the time dispersion of this detector, and finally the time resolution is better than 50fs.
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Keywords:
- streak camera /
- terahertz /
- temporal resolution
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Google Scholar
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Google Scholar
[19] Siwick B J, Dwyer J R, Jordan R E, Miller R J D 2003 J. Appl. Phys. 94 807
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[1] van Oudheusden T, Pasmans P L E M, van der Geer S B, de Loos M J, van der Wiel M J, Luiten O J 2010 Phys. Rev. Lett. 105 264801
Google Scholar
[2] Veisz L, Kurkin G, Chernov K, Tarnetsky V, Apolonski A, Krausz F, Fill E 2007 New J. Phys. 9 451
Google Scholar
[3] Rousse A, Rischel C, Gauthier J C 2001 Rev. Mod. Phys. 73 17
Google Scholar
[4] Gotchev O V, Jaanimagi P A, Knauer J P, Marshall F J, Meyerhofer D D, Bassett N L, Oliver J B 2003 Rev. Sci. Instru. 74 2178
Google Scholar
[5] Becker W 2012 J. Microsc. 2472 119
Google Scholar
[6] Krishnan R V, Saitoh H, Terada H, Centonze V E, Herman B 2003 Rev. Sci. Instrum. 745 2714
Google Scholar
[7] Wang Y, Wang Z, Dang W 2013 Sci. China-Chem. 4312 1713
[8] 刘雄波, 林丹樱, 吴茜茜, 严伟, 罗腾, 杨志刚, 屈军乐 2018 67 178701
Google Scholar
Liu X B, Lin D Y, Wu Q Q, Yan W, Luo T, Yang Z G, Qu L 2018 Acta Phys. Sin. 67 178701
Google Scholar
[9] Kinoshita K, Suyama M, Ito M 1990 Proc. SPIE 1358 490
Google Scholar
[10] Lebedev V B, Feldman G G, Veinbein P 1999 Proc. SPIE 3516 74
Google Scholar
[11] Kinoshita K, Ishihara Y, Ai T, Hino S, Inagaki Y, Mori K, Goto M, Niikura F, Takahashi A, Uchiyama K, Abe S 2016 The 31st International Congress on High-speed Imaging and Photonics Osaka, Japan, November 7–10, 2016 pp305−310
[12] Pálfalvi L, Fülöp J A, Tóth G, Hebling J 2014 Phys. Rev. Spec. Top-AC 17 031301
[13] Wei Y, Ischebeck R, Dehler M, Ferrari E, Hiller N, Jamison S, Xia G, Hanahoe K, Li Y, Smith J D A, Welsch C P 2018 Nucl. Instr. and Meth. 877 173
Google Scholar
[14] Huang R, Fallahi A, Wu X J, Cankaya H, Calendron A L, Ravi K, Zhang D F, Nanni E A, Hong K H, Kärtner F X 2016 Optica 3 1209
Google Scholar
[15] Huang W R, Nanni E A, Ravi K, Hong K H, Fallahi A, Liang J W, Phillip D K, Luis E Z, Kärtner F X 2015 Sci. Rep. 5 14899
Google Scholar
[16] Niu H, Degtyareva V, Platonov V, Prokhorov A, Schelev M 1989 Proceedings of Spie 1032 79
Google Scholar
[17] Siwick B J, Dwyer J R, Jordan R E, Miller R 2002 J. Appl. Phys. 92 1643
Google Scholar
[18] QianB, Hani E, Elsayed Ali 2003 J. Appl. Phys. 94 803
Google Scholar
[19] Siwick B J, Dwyer J R, Jordan R E, Miller R J D 2003 J. Appl. Phys. 94 807
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