Dielectric-loaded free-electron maser in a stripline structure

M. Einat; E. Jerby; A. Shahadi

doi:10.1016/0168-9002(95)01197-8

Dielectric-loaded free-electron maser in a stripline structure

M. Einat
, E. Jerby
, A. Shahadi

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

8 Scopus citations

Abstract

Experimental results of a dielectric-loaded free-electron maser (FEM) oscillator in a stripline structure are presented. The table-top oscillator experiment employs a low-energy electron beam (8 keV, 0.5 A) and a folded-foil wiggler (2 cm period). The waveguide consists of dielectric slabs and metal striplines along the side walls of a rectangular tube. The metallic striplines protect the dielectric slabs attached to them from the electron beam, and support a quasi-TEM mode in the waveguide. The effective dielectric constant of the dominant odd quasi-TEM mode is measured as ε_eff ≅ 8. The oscillator operates in a frequency range of 3-5 GHz, in agreement with the tuning relation of the slow-wave dielectric-loaded free-electron maser.

Original language	English
Pages (from-to)	21-25
Number of pages	5
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	375
Issue number	1-3
DOIs	https://doi.org/10.1016/0168-9002(95)01197-8
State	Published - 11 Jun 1996
Externally published	Yes

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10.1016/0168-9002(95)01197-8

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title = "Dielectric-loaded free-electron maser in a stripline structure",

abstract = "Experimental results of a dielectric-loaded free-electron maser (FEM) oscillator in a stripline structure are presented. The table-top oscillator experiment employs a low-energy electron beam (8 keV, 0.5 A) and a folded-foil wiggler (2 cm period). The waveguide consists of dielectric slabs and metal striplines along the side walls of a rectangular tube. The metallic striplines protect the dielectric slabs attached to them from the electron beam, and support a quasi-TEM mode in the waveguide. The effective dielectric constant of the dominant odd quasi-TEM mode is measured as εeff ≅ 8. The oscillator operates in a frequency range of 3-5 GHz, in agreement with the tuning relation of the slow-wave dielectric-loaded free-electron maser.",

author = "M. Einat and E. Jerby and A. Shahadi",

note = "Funding Information: This research is supported in parts by the Israeli Ministry of Energy. the Belfer Center for Energy Research, the Israeli Ministry of Science, and the Israeli Academy of",

year = "1996",

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doi = "10.1016/0168-9002(95)01197-8",

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T1 - Dielectric-loaded free-electron maser in a stripline structure

AU - Einat, M.

AU - Jerby, E.

AU - Shahadi, A.

N1 - Funding Information: This research is supported in parts by the Israeli Ministry of Energy. the Belfer Center for Energy Research, the Israeli Ministry of Science, and the Israeli Academy of

PY - 1996/6/11

Y1 - 1996/6/11

N2 - Experimental results of a dielectric-loaded free-electron maser (FEM) oscillator in a stripline structure are presented. The table-top oscillator experiment employs a low-energy electron beam (8 keV, 0.5 A) and a folded-foil wiggler (2 cm period). The waveguide consists of dielectric slabs and metal striplines along the side walls of a rectangular tube. The metallic striplines protect the dielectric slabs attached to them from the electron beam, and support a quasi-TEM mode in the waveguide. The effective dielectric constant of the dominant odd quasi-TEM mode is measured as εeff ≅ 8. The oscillator operates in a frequency range of 3-5 GHz, in agreement with the tuning relation of the slow-wave dielectric-loaded free-electron maser.

AB - Experimental results of a dielectric-loaded free-electron maser (FEM) oscillator in a stripline structure are presented. The table-top oscillator experiment employs a low-energy electron beam (8 keV, 0.5 A) and a folded-foil wiggler (2 cm period). The waveguide consists of dielectric slabs and metal striplines along the side walls of a rectangular tube. The metallic striplines protect the dielectric slabs attached to them from the electron beam, and support a quasi-TEM mode in the waveguide. The effective dielectric constant of the dominant odd quasi-TEM mode is measured as εeff ≅ 8. The oscillator operates in a frequency range of 3-5 GHz, in agreement with the tuning relation of the slow-wave dielectric-loaded free-electron maser.

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JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

IS - 1-3

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Dielectric-loaded free-electron maser in a stripline structure

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