$Observation of grating diffraction radiation at the KEK LUCX facility$

Observation of grating diffraction radiation at the KEK LUCX facility

書誌詳細
Parent link:	Scientific Reports Vol. 10.— 2020.— [7589, 7 p.]
団体著者:	Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов
その他の著者:	Aryshev A., Potylitsyn A. P. Alexander Petrovich, Naumenko G. A. Gennadiy Andreevich, Shevelev M. V. Mihail Viktorovich, Shkitov D. A. Dmitriy Andreevich, Sukhikh L. G. Leonid Grigorievich, Terunuma N. Nobihiro, Urakawa J. Junji
要約:	Title screen The development of linac–based narrow–band THz sources with sub–picosecond, ?J-level radiation pulses is in demand from the scientific community. Intrinsically monochromatic emitters such as coherent Smith–Purcell radiation sources appear as natural candidates. However, the lack of broad spectral tunability continues to stimulate active research in this field. We hereby present the first experimental investigation of coherent grating diffraction radiation (GDR), for which comparable radiation intensity with central frequency fine–tuning in a much wider spectral range has been confirmed. Additionally, the approach allows for bandwidth selection at the same central frequency. The experimental validation of performance included the basic spectral, spatial and polarization properties. The discussion of the comparison between GDR intensity and other coherent radiation sources is also presented. These results further strengthen the foundation for the design of a tabletop wide–range tunable quasi–monochromatic or multi–colour radiation source in the GHz–THz frequency range.
言語:	英語
出版事項:	2020
主題:	электронный ресурс труды учёных ТПУ experimental particle physics terahertz optics экспериментальная физика элементарные частицы терагерцовая фотоника
オンライン･アクセス:	http://earchive.tpu.ru/handle/11683/64818 https://doi.org/10.1038/s41598-020-63462-1
フォーマット:	電子媒体図書の章
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=662546

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