Prebunched-beam free electron maser

M. Arbel; D. Ben-Chaim; M. Cohen; M. Draznin; A. Eichenbaum; Abraham Gover; H. Kleinman; A. Kugel; Yosef Pinhasi; S. Witman; Y. M. Yakover

doi:10.1117/12.174573

1 May 1994 Prebunched-beam free electron maser

M. Arbel, D. Ben-Chaim, M. Cohen, M. Draznin, A. Eichenbaum, Abraham Gover, H. Kleinman, A. Kugel, Yosef Pinhasi, S. Witman, Y. M. Yakover

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Proceedings Volume 2259, XVI International Symposium on Discharges and Electrical Insulation in Vacuum; (1994) https://doi.org/10.1117/12.174573
Event: XVI International Symposium on Discharges and Electrical Insulation in Vacuum, 1994, Moscow-St. Petersburg, Russian Federation

Abstract

The development status of a prebunched FEM is described. We are developing a 70 KeV FEM to allow high gain wideband operation and to enable variation of the degree of prebunching. We intend to investigate its operation as an amplifier and as an oscillator. Effects of prebunching, frequency variation, linear and nonlinear effects, will be investigated. The prebuncher consists of a Pierce e-gun followed by a beam modulating section. The prebunched beam is accelerated to 70 KeV and injected into a planar wiggler containing a waveguide. The results obtained to date will be presented. These include: characterization of the e-gun, e-beam transport to and through the wiggler, use of field modifying permanent magnets near the entrance and along the wiggler to obtain good e-beam transport through the wiggler, waveguide selection and characterization.

Citation Download Citation

M. Arbel, D. Ben-Chaim, M. Cohen, M. Draznin, A. Eichenbaum, Abraham Gover, H. Kleinman, A. Kugel, Yosef Pinhasi, S. Witman, and Y. M. Yakover "Prebunched-beam free electron maser", Proc. SPIE 2259, XVI International Symposium on Discharges and Electrical Insulation in Vacuum, (1 May 1994); https://doi.org/10.1117/12.174573

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