Experimental demonstration of longitudinal wiggler free-electron laser

I. Shraga; Y. Goren; C. Leibovitch; S. Eckhouse; A. Gover

doi:10.1063/1.97338

Experimental demonstration of longitudinal wiggler free-electron laser

I. Shraga^*, Y. Goren, C. Leibovitch, S. Eckhouse, A. Gover

^*Corresponding author for this work

School of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

The lowbitron - a longitudinal wiggler beam interaction device - as a novel source of submillimeter wave radiation was proposed and analyzed theoretically by McMullin and Bekefi [Phys. Rev. A 25, 1826 (1982)]. This letter reports the first experimental measurements of lowbitron radiation obtained with a 740-kV, 400-A electron beam. The measured power spectra in the W-band range for different wiggler field periods agree with the lowbitron interaction theory. They match the intersection points of the shifted fast cyclotron wave dispersion relation ω-(k+k_w)v_∥-Ω₀/ γ=0 and the TE₀₁ electromagnetic waveguide mode.

Original language	English
Pages (from-to)	1412-1414
Number of pages	3
Journal	Applied Physics Letters
Volume	49
Issue number	21
DOIs	https://doi.org/10.1063/1.97338
State	Published - 1986

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abstract = "The lowbitron - a longitudinal wiggler beam interaction device - as a novel source of submillimeter wave radiation was proposed and analyzed theoretically by McMullin and Bekefi [Phys. Rev. A 25, 1826 (1982)]. This letter reports the first experimental measurements of lowbitron radiation obtained with a 740-kV, 400-A electron beam. The measured power spectra in the W-band range for different wiggler field periods agree with the lowbitron interaction theory. They match the intersection points of the shifted fast cyclotron wave dispersion relation ω-(k+kw)v∥-Ω0/ γ=0 and the TE01 electromagnetic waveguide mode.",

author = "I. Shraga and Y. Goren and C. Leibovitch and S. Eckhouse and A. Gover",

year = "1986",

doi = "10.1063/1.97338",

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AU - Goren, Y.

AU - Leibovitch, C.

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AU - Gover, A.

PY - 1986

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AB - The lowbitron - a longitudinal wiggler beam interaction device - as a novel source of submillimeter wave radiation was proposed and analyzed theoretically by McMullin and Bekefi [Phys. Rev. A 25, 1826 (1982)]. This letter reports the first experimental measurements of lowbitron radiation obtained with a 740-kV, 400-A electron beam. The measured power spectra in the W-band range for different wiggler field periods agree with the lowbitron interaction theory. They match the intersection points of the shifted fast cyclotron wave dispersion relation ω-(k+kw)v∥-Ω0/ γ=0 and the TE01 electromagnetic waveguide mode.

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Experimental demonstration of longitudinal wiggler free-electron laser

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