The design of high power, external antennas for radio frequency multicusp ion sources

R. F. Welton; M. P. Stockli; R. T. Roseberry; Y. Kang; R. Keller

doi:10.1063/1.1699452

The design of high power, external antennas for radio frequency multicusp ion sources

R. F. Welton, M. P. Stockli, R. T. Roseberry, Y. Kang, R. Keller

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

10 Scopus citations

Abstract

The concept of an external antenna employed by a DESY ion source was studied using finite element analysis. The study showed that the antenna can be utilized in rf sources operating under high average power conditions, in the regime which is of interest to new facilities. On scaling the demonstrated DESY operating period of 25,000 h to the SNS duty factor, a lifetime of 25000 h×0.1%/6%=417 h was obtained. The power limit was found to be compatible with an expected H ^- ion current of about 60 mA using a 6% duty factor.

Original language	English
Pages (from-to)	1789-1792
Number of pages	4
Journal	Review of Scientific Instruments
Volume	75
Issue number	5 PART II
DOIs	https://doi.org/10.1063/1.1699452
State	Published - May 2004
Externally published	Yes

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title = "The design of high power, external antennas for radio frequency multicusp ion sources",

abstract = "The concept of an external antenna employed by a DESY ion source was studied using finite element analysis. The study showed that the antenna can be utilized in rf sources operating under high average power conditions, in the regime which is of interest to new facilities. On scaling the demonstrated DESY operating period of 25,000 h to the SNS duty factor, a lifetime of 25000 h×0.1%/6%=417 h was obtained. The power limit was found to be compatible with an expected H - ion current of about 60 mA using a 6% duty factor.",

author = "Welton, {R. F.} and Stockli, {M. P.} and Roseberry, {R. T.} and Y. Kang and R. Keller",

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AU - Welton, R. F.

AU - Stockli, M. P.

AU - Roseberry, R. T.

AU - Kang, Y.

AU - Keller, R.

PY - 2004/5

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N2 - The concept of an external antenna employed by a DESY ion source was studied using finite element analysis. The study showed that the antenna can be utilized in rf sources operating under high average power conditions, in the regime which is of interest to new facilities. On scaling the demonstrated DESY operating period of 25,000 h to the SNS duty factor, a lifetime of 25000 h×0.1%/6%=417 h was obtained. The power limit was found to be compatible with an expected H - ion current of about 60 mA using a 6% duty factor.

AB - The concept of an external antenna employed by a DESY ion source was studied using finite element analysis. The study showed that the antenna can be utilized in rf sources operating under high average power conditions, in the regime which is of interest to new facilities. On scaling the demonstrated DESY operating period of 25,000 h to the SNS duty factor, a lifetime of 25000 h×0.1%/6%=417 h was obtained. The power limit was found to be compatible with an expected H - ion current of about 60 mA using a 6% duty factor.

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The design of high power, external antennas for radio frequency multicusp ion sources

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