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Proceedings Paper

Prebunched-beam free electron maser
Author(s): 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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Paper 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.

Paper Details

Date Published: 1 May 1994
PDF: 4 pages
Proc. SPIE 2259, XVI International Symposium on Discharges and Electrical Insulation in Vacuum, (1 May 1994); doi: 10.1117/12.174573
Show Author Affiliations
M. Arbel, Tel Aviv Univ. (Israel)
D. Ben-Chaim, Tel Aviv Univ. (Israel)
M. Cohen, Tel Aviv Univ. (Israel)
M. Draznin, Tel Aviv Univ. (Israel)
A. Eichenbaum, Tel Aviv Univ. (Israel)
Abraham Gover, Tel Aviv Univ. (Israel)
H. Kleinman, Tel Aviv Univ. (Israel)
A. Kugel, Tel Aviv Univ. (Israel)
Yosef Pinhasi, Tel Aviv Univ. (Israel)
S. Witman, Tel Aviv Univ. (Israel)
Y. M. Yakover, Tel Aviv Univ. (Israel)

Published in SPIE Proceedings Vol. 2259:
XVI International Symposium on Discharges and Electrical Insulation in Vacuum
Gennady A. Mesyats, Editor(s)

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