Development of high-frequency gyrotrons using high harmonics and a high magnetic field

T. Idehara; I. Ogawa; S. Mitsudo; O. Watanabe; M. Kamada; La Agusu; S. Watanabe; J. Kimura; N. Sato

doi:10.1080/10519990600842020

Development of high-frequency gyrotrons using high harmonics and a high magnetic field

T. Idehara, I. Ogawa, S. Mitsudo, O. Watanabe, M. Kamada, La Agusu, S. Watanabe, J. Kimura, N. Sato

Information Devices Division

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

Abstract

Our gyrotrons developed at the Research Centre for the Development of the Far Infrared Region, Fukui University (FU), are high-frequency medium-power gyrotrons used as millimetre- to submillimetre-wave radiation sources for application to new far-infrared technologies. We have already developed a gyrotron FU series which consists of eight gyrotrons. The gyrotron series has achieved frequency tuneability in a wide range (from 38 to 889 GHz). The highest frequency corresponds to a wavelength of 337 m. This is a current record for high-frequency operation of gyrotrons. Recently, we have developed a high-harmonic gyrotron with an axis-encircling electron beam and a terahertz gyrotron with a pulse magnet. In this paper the present status of the gyrotron FU series is described.

Original language	English
Pages (from-to)	237-242
Number of pages	6
Journal	Plasma Devices and Operations
Volume	14
Issue number	3
DOIs	https://doi.org/10.1080/10519990600842020
Publication status	Published - 2006 Sep 1

Keywords

Far infrared
Gyrotron
High harmonic
High magnetic field
Submillimetre wave
Terahertz

ASJC Scopus subject areas

Nuclear Energy and Engineering
Condensed Matter Physics

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title = "Development of high-frequency gyrotrons using high harmonics and a high magnetic field",

abstract = "Our gyrotrons developed at the Research Centre for the Development of the Far Infrared Region, Fukui University (FU), are high-frequency medium-power gyrotrons used as millimetre- to submillimetre-wave radiation sources for application to new far-infrared technologies. We have already developed a gyrotron FU series which consists of eight gyrotrons. The gyrotron series has achieved frequency tuneability in a wide range (from 38 to 889 GHz). The highest frequency corresponds to a wavelength of 337 m. This is a current record for high-frequency operation of gyrotrons. Recently, we have developed a high-harmonic gyrotron with an axis-encircling electron beam and a terahertz gyrotron with a pulse magnet. In this paper the present status of the gyrotron FU series is described.",

keywords = "Far infrared, Gyrotron, High harmonic, High magnetic field, Submillimetre wave, Terahertz",

author = "T. Idehara and I. Ogawa and S. Mitsudo and O. Watanabe and M. Kamada and La Agusu and S. Watanabe and J. Kimura and N. Sato",

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AU - Idehara, T.

AU - Ogawa, I.

AU - Mitsudo, S.

AU - Watanabe, O.

AU - Kamada, M.

AU - Agusu, La

AU - Watanabe, S.

AU - Kimura, J.

AU - Sato, N.

PY - 2006/9/1

Y1 - 2006/9/1

N2 - Our gyrotrons developed at the Research Centre for the Development of the Far Infrared Region, Fukui University (FU), are high-frequency medium-power gyrotrons used as millimetre- to submillimetre-wave radiation sources for application to new far-infrared technologies. We have already developed a gyrotron FU series which consists of eight gyrotrons. The gyrotron series has achieved frequency tuneability in a wide range (from 38 to 889 GHz). The highest frequency corresponds to a wavelength of 337 m. This is a current record for high-frequency operation of gyrotrons. Recently, we have developed a high-harmonic gyrotron with an axis-encircling electron beam and a terahertz gyrotron with a pulse magnet. In this paper the present status of the gyrotron FU series is described.

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KW - High magnetic field

KW - Submillimetre wave

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Development of high-frequency gyrotrons using high harmonics and a high magnetic field

Abstract

Keywords

ASJC Scopus subject areas

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