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- Title
Generation of spatially coherent radiation in free-electron masers with two-dimensional distributed feedback.
- Authors
Arzhannikov, A.; Ginzburg, N.; Zaslavskii, V.; Ivanenko, V.; Ivanov, I.; Kalinin, P.; Kuznetsov, A.; Kuznetsov, S.; Peskov, N.; Sergeev, A.; Sinitskii, S.; Stepanov, V.
- Abstract
The results of theoretical and experimental studies on the generation of spatially coherent electromagnetic radiation in a planar free-electron maser with two-dimensional distributed feedback are reported. A two-dimensional Bragg structure is used at the initial part of the interaction space to ensure the transverse synchronization of the radiation. The possibility of the narrowband generation in the 75-GHz frequency band is demonstrated experimentally for a sheet kiloampere electron beam whose width is 20 times larger than the wavelength.
- Subjects
RADIATION; ELECTRON beams; WAVELENGTHS; ELECTROMAGNETIC waves; PARTICLES (Nuclear physics)
- Publication
JETP Letters, 2008, Vol 87, Issue 11, p618
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/S0021364008110052