Spectral dynamics of a free-electron maser with a step-tapered undulator

Autor: TJ Schep, P.J. Eecen, A.V. Tulupov

Publikováno v: Physical Review E, 52, 5460-5469

The spectral behavior of a high-power, high-gain free-electron maser (FEM) is investigated. The maser has a step-tapered undulator consisting of two sections with different strengths and lengths and equal periodicities. The sections are separated by

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a32151fe9f99eba7487cc684582a1a22
https://doi.org/10.1103/physreve.52.5460

Spectral dynamics of the FEM

Autor: P.J. Eecen, A.V. Tulupov, TJ Schep

Publikováno v: Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 358, 178-181
Nuclear Instruments and Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 358(1-3), 178-181. Elsevier

The FOM Fusion FEM project involves the construction and operation of a 1-MW, 100 ms pulse, rapidly tunable FEM in the 130–250 GHz range for fusion applications. The undulator is a novel step-tapered undulator, consisting of two sections with diffe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::de9fa4f41394647604127e644547059c
https://doi.org/10.1016/0168-9002(94)01288-1

Double-undulator FEL for governing by the harmonics generation

Autor: A.V. Tulupov

Publikováno v: Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 331, 554-557

Generation of harmonics in the double-undulator FEL based on the additional cyclotron resonance is considered. It is shown that efficient control of harmonics generation is feasible. Only one selected harmonic is generated while the others are suppre

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a77154674b14b7ce9876314182bac35
https://doi.org/10.1016/0168-9002(93)90109-u

Extrapolation of the FOM 1 MW free-electron maser to a multi-megawatt millimeter microwave source

Autor: W.H. Urbanus, A.G.A. Verhoeven, A.V. Tulupov, M. Valentini, M. Caplan

Publikováno v: Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 393, 295-299

A Free-Electron Maser is now under test at the FOM Institute (Rijnhuizen, Netherlands) with the goal of producing 1 MW long pulse to CW microwave output in the range 130–250 GHz with wall plug efficiencies of 60%. An extrapolated version of this de

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a46c368266b9381a881ff891e07f8057
https://www.differ.nl/bibcite/reference/5776

Simulations of e-beam emittance effects on the performance of the fusion-FEM

Autor: W.H. Urbanus, A.V Tulupov, M. Caplan

Publikováno v: Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 375, ABS71-ABS72

At the FOM-Institute for Plasma Physics, The Netherlands, the construction of the Fusion Free-Electron Maser (FEM) is nearing completion. The design objective of the FEM is to generate 1 MW of microwave power during long pulses in the frequency range

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::86214f8fa00ad0b9246dc274021642d2
https://www.differ.nl/bibcite/reference/5733