Spallation neutron source saddle antenna H? ion source project

Vadim Dudnikov; Rolland P. Johnson; Galina Dudnikova; Martin Stockli; Robert Welton

doi:10.1063/1.3277183

Spallation neutron source saddle antenna H^? ion source project

Vadim Dudnikov, Rolland P. Johnson, Galina Dudnikova, Martin Stockli, Robert Welton

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Abstract

In this project we are developing an H- source which will synthesize the most important developments in the field of negative ion sources to provide high current, high brightness, good lifetime, high reliability, and high power efficiency. We describe two planned modifications to the present spallation neutron source external antenna source in order to increase the plasma density near the output aperture: (1) replacing the present 2 MHz plasma-forming solenoid antenna with a 13 MHz saddle-type antenna and (2) replacing the permanent multicusp magnetic system with a weaker electromagnet.

Original language	English
Article number	02A709
Journal	Review of Scientific Instruments
Volume	81
Issue number	2
DOIs	https://doi.org/10.1063/1.3277183
State	Published - 2010

Funding

This work has been supported in part by the U.S. DOE (Contract No. DE-AC05-00OR22725) and by the STTR (Grant No. DE-PS02-08ER08-34).

Funders	Funder number
U.S. Department of Energy	DE-AC05-00OR22725
Small Business Technology Transfer	DE-PS02-08ER08-34

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10.1063/1.3277183

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title = "Spallation neutron source saddle antenna H? ion source project",

abstract = "In this project we are developing an H- source which will synthesize the most important developments in the field of negative ion sources to provide high current, high brightness, good lifetime, high reliability, and high power efficiency. We describe two planned modifications to the present spallation neutron source external antenna source in order to increase the plasma density near the output aperture: (1) replacing the present 2 MHz plasma-forming solenoid antenna with a 13 MHz saddle-type antenna and (2) replacing the permanent multicusp magnetic system with a weaker electromagnet.",

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AU - Welton, Robert

PY - 2010

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Spallation neutron source saddle antenna H^? ion source project

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