Dynamics of mode competition in the gyrotron backward-wave oscillator

K. R. Chu; K. F. Pao; T. H. Chang; C. T. Fan; S. H. Chen; C. F. Yu

doi:10.1063/1.2158774

Dynamics of mode competition in the gyrotron backward-wave oscillator

K. R. Chu
, K. F. Pao
, T. H. Chang
, C. T. Fan
, S. H. Chen
, C. F. Yu

Department of Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

The dynamics of axial mode competition in the gyrotron backward-wave oscillator (gyro-BWO) has been investigated in theory and experiment. Because of the difference in field-shaping processes, the axial modes of the gyro-BWO each exhibit a distinctive asymmetry in field distribution along the axis. Multi-mode particle simulations and time-frequency analyses reveal a consistent pattern of axial mode competition in which a fast-growing and well-established mode is subsequently suppressed by a slowly-growing mode with a favorable field profile. This is verified in a Ka-band gyro-BWO experiment.

Original language	English
Title of host publication	HIGH ENERGY DENSITY AND HIGH POWER RF
Subtitle of host publication	7th Workshop on High Energy Density and High Power RF
Pages	191-196
Number of pages	6
DOIs	https://doi.org/10.1063/1.2158774
State	Published - 3 Jan 2006
Event	HIGH ENERGY DENSITY AND HIGH POWER RF: 7th Workshop on High Energy Density and High Power RF - Kalamata, Greece Duration: 13 Jun 2005 → 17 Jun 2005

Publication series

Name	AIP Conference Proceedings
Volume	807
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Conference

Conference	HIGH ENERGY DENSITY AND HIGH POWER RF: 7th Workshop on High Energy Density and High Power RF
Country/Territory	Greece
City	Kalamata
Period	13/06/05 → 17/06/05

Access to Document

10.1063/1.2158774

Cite this

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title = "Dynamics of mode competition in the gyrotron backward-wave oscillator",

abstract = "The dynamics of axial mode competition in the gyrotron backward-wave oscillator (gyro-BWO) has been investigated in theory and experiment. Because of the difference in field-shaping processes, the axial modes of the gyro-BWO each exhibit a distinctive asymmetry in field distribution along the axis. Multi-mode particle simulations and time-frequency analyses reveal a consistent pattern of axial mode competition in which a fast-growing and well-established mode is subsequently suppressed by a slowly-growing mode with a favorable field profile. This is verified in a Ka-band gyro-BWO experiment.",

author = "Chu, \{K. R.\} and Pao, \{K. F.\} and Chang, \{T. H.\} and Fan, \{C. T.\} and Chen, \{S. H.\} and Yu, \{C. F.\}",

year = "2006",

month = jan,

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doi = "10.1063/1.2158774",

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isbn = "0735402981",

series = "AIP Conference Proceedings",

pages = "191--196",

booktitle = "HIGH ENERGY DENSITY AND HIGH POWER RF",

note = "HIGH ENERGY DENSITY AND HIGH POWER RF: 7th Workshop on High Energy Density and High Power RF ; Conference date: 13-06-2005 Through 17-06-2005",

}

Chu, KR, Pao, KF, Chang, TH, Fan, CT, Chen, SH & Yu, CF 2006, Dynamics of mode competition in the gyrotron backward-wave oscillator. in HIGH ENERGY DENSITY AND HIGH POWER RF: 7th Workshop on High Energy Density and High Power RF. AIP Conference Proceedings, vol. 807, pp. 191-196, HIGH ENERGY DENSITY AND HIGH POWER RF: 7th Workshop on High Energy Density and High Power RF, Kalamata, Greece, 13/06/05. https://doi.org/10.1063/1.2158774

Dynamics of mode competition in the gyrotron backward-wave oscillator. / Chu, K. R.; Pao, K. F.; Chang, T. H. et al.
HIGH ENERGY DENSITY AND HIGH POWER RF: 7th Workshop on High Energy Density and High Power RF. 2006. p. 191-196 (AIP Conference Proceedings; Vol. 807).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

T1 - Dynamics of mode competition in the gyrotron backward-wave oscillator

AU - Chu, K. R.

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AU - Chang, T. H.

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AU - Chen, S. H.

AU - Yu, C. F.

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N2 - The dynamics of axial mode competition in the gyrotron backward-wave oscillator (gyro-BWO) has been investigated in theory and experiment. Because of the difference in field-shaping processes, the axial modes of the gyro-BWO each exhibit a distinctive asymmetry in field distribution along the axis. Multi-mode particle simulations and time-frequency analyses reveal a consistent pattern of axial mode competition in which a fast-growing and well-established mode is subsequently suppressed by a slowly-growing mode with a favorable field profile. This is verified in a Ka-band gyro-BWO experiment.

AB - The dynamics of axial mode competition in the gyrotron backward-wave oscillator (gyro-BWO) has been investigated in theory and experiment. Because of the difference in field-shaping processes, the axial modes of the gyro-BWO each exhibit a distinctive asymmetry in field distribution along the axis. Multi-mode particle simulations and time-frequency analyses reveal a consistent pattern of axial mode competition in which a fast-growing and well-established mode is subsequently suppressed by a slowly-growing mode with a favorable field profile. This is verified in a Ka-band gyro-BWO experiment.

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M3 - 會議論文篇章

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BT - HIGH ENERGY DENSITY AND HIGH POWER RF

T2 - HIGH ENERGY DENSITY AND HIGH POWER RF: 7th Workshop on High Energy Density and High Power RF

Y2 - 13 June 2005 through 17 June 2005

ER -

Dynamics of mode competition in the gyrotron backward-wave oscillator

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