?erenkov superradiance from a subnanosecond electron bunch in a sectional decelerating system |
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| Authors: | M I Yalandin S A Shunailov V G Shpak N S Ginzburg I V Zotova A S Sergeev A D R Phelps A W Cross P Aitken |
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| Affiliation: | (1) Institute of Experimental Physics, Urals Branch of the Russian Academy of Sciences, Ekaterinburg;(2) Institute of Applied Physics, Russian Academy of Sciences, Nizhnii Novgorod;(3) Strathclyde University, Glasgow, Great Britain |
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| Abstract: | Induced coherent radiation (superradiance) from a subnanosecond electron bunch in a combined decelerating system has been
investigated experimentally. In a first section formed by a periodically modulated waveguide, the density of the bunch is
modulated and it then radiates in a second section formed by a waveguide partially filled with a dielectric. At an electron
energy of 250 keV and a peak current of 800 A, millimeter radiation pulses with powers up to 2 MW and lengths up to 800 ps
were obtained.
Pis’ma Zh. Tekh. Fiz. 23, 14–19 (December 26, 1997) |
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