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A 32 ghz bragg free-electron maser (FEM) oscillator with axial guide magnetic field

Cross, A.W. and Ginzburg, N.S. and He, W. and Jaroszynski, D.A. and Peskov, N.Y. and Phelps, A.D.R. and Whyte, C.G. (1998) A 32 ghz bragg free-electron maser (FEM) oscillator with axial guide magnetic field. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 407 (1). pp. 181-186. ISSN 0168-9002

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Abstract

A narrow-band Free-Electron Maser (FEM) oscillator with a Bragg resonator was operated in the reversed guide field regime. A high-current accelerator generated the 300keV, 30A, 100ns electron beam. Radiation at 32GHz frequency and 500kW power, corresponding to ~5% efficiency, was measured. The measured FEM parameters agreed with predictions of a numerical simulation. The observed radiation frequencies compared well with ''cold'' microwave calibration of the cavity.

Author(s):Cross, A.W., Ginzburg, N.S., He, W., Jaroszynski, D.A., Peskov, N.Y., Phelps, A.D.R. and Whyte, C.G.
Item type:Article
ID code:17553
Keywords:free-electron maser, reversed guide field, bragg resonator, Physics, Instrumentation, Nuclear and High Energy Physics
Subjects:Science > Physics
Department:Faculty of Science > Physics
Unknown Department
Depositing user: Strathprints Administrator
Date deposited:25 Mar 2010 13:09
Last modified:03 Jan 2019 12:19
URI:https://strathprints.strath.ac.uk/id/eprint/17553
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