Observation of subterahertz monochromatic transition radiation from a grating / A. P. Potylitsyn [et al.]

Уровень набора: JETP Letters, Scientific Journal = 1974-Альтернативный автор-лицо: Potylitsyn, A. P., Russian physicist, Professor of the TPU, 1945-, Alexander Petrovich;Naumenko, G. A., physicist, senior research fellow, Professor of Tomsk Polytechnic University, Candidate of physical and mathematical sciences, 1947-, Gennadiy Andreevich;Sukhikh, L. G., physicist, Researcher of Tomsk Polytechnic University, Candidate of physical and mathematical sciences, 1984-, Leonid Grigorievich;Aryshev, A. S., Aleksandr Sergeevich;Shevelev, M. V., physicist, research engineer of Tomsk Polytechnic University, 1985-, Mihail Viktorovich;Terunuma, N., Nobihiro;Urakawa, J., JunjiКоллективный автор (вторичный): Национальный исследовательский Томский политехнический университет (ТПУ), Физико-технический институт (ФТИ), Кафедра прикладной физики (№ 12) (ПФ)Язык: английский.Страна: .Резюме или реферат: Transition radiation appearing when a charged particle crosses the interface between two media with different dielectric constants, e.g., a metal–vacuum interface, has been well studied in a wide spectral range. However, primarily, radiation from smooth interfaces has been studied. Transition radiation from conducting gratings (grating transition radiation) is experimentally studied and theoretically analyzed in this work. In this case, it is possible to obtain monochromatic radiation with a tunable frequency depending on the rotation angle of the grating with respect to the electron momentum. Coherent grating transition radiation can be efficiently used as a source of terahertz radiation based on the use of a compact electron accelerator with an energy below 10 MeV and a bunch duration of =1 ps..Примечания о наличии в документе библиографии/указателя: [References: 22 tit.].Аудитория: .Тематика: электронный ресурс | труды учёных ТПУ | заряженные частицы | переходное излучение | проводящие среды Ресурсы он-лайн:Щелкните здесь для доступа в онлайн
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[References: 22 tit.]

Transition radiation appearing when a charged particle crosses the interface between two media with different dielectric constants, e.g., a metal–vacuum interface, has been well studied in a wide spectral range. However, primarily, radiation from smooth interfaces has been studied. Transition radiation from conducting gratings (grating transition radiation) is experimentally studied and theoretically analyzed in this work. In this case, it is possible to obtain monochromatic radiation with a tunable frequency depending on the rotation angle of the grating with respect to the electron momentum. Coherent grating transition radiation can be efficiently used as a source of terahertz radiation based on the use of a compact electron accelerator with an energy below 10 MeV and a bunch duration of =1 ps.

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