Narrowing of the Emission Spectrum of a Gyrotron with External Reflections

A. A. Bogdashov; M. Yu. Glyavin; R. M. Rozental’; A. P. Fokin; V. P. Tarakanov

doi:10.1134/S1063785018030069

Narrowing of the Emission Spectrum of a Gyrotron with External Reflections

Autores: Bogdashov A.¹, Glyavin M.¹, Rozental’ R.¹, Fokin A.¹, Tarakanov V.²^,3
Afiliações:
1. Institute of Applied Physics
2. National Research Nuclear University Moscow Engineering Physics Institute
3. Joint Institute for High Temperatures
Edição: Volume 44, Nº 3 (2018)
Páginas: 221-224
Seção: Article
URL: https://journals.rcsi.science/1063-7850/article/view/207466
DOI: https://doi.org/10.1134/S1063785018030069
ID: 207466

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The stabilizing influence of external reflections on gyrotron operation has been demonstrated in direct particle-in-cell modeling. A model with a temporal realization duration providing an opportunity to calculate frequency characteristics with a relative accuracy no worse than 2 × 10^–6 has been used for the first time. An almost twofold reduction in the spectrum width of a 28-GHz gyrotron has been observed experimentally after the introduction of reflections of the output signal.