Development and status of the FRIB 28 GHz SC ECRIS

Haitao Ren; Guillaume Machicoane; Nathan Bultman; Xing Rao; Phil Morrison; Mykola Omelayenko; Larry Tobos; Jesse Fogleman; Helene Felice; Ray Hafalia; Heng Pan; Soren Prestemon

doi:10.1088/1742-6596/2244/1/012008

Development and status of the FRIB 28 GHz SC ECRIS

Haitao Ren, Guillaume Machicoane, Nathan Bultman, Xing Rao, Phil Morrison, Mykola Omelayenko, Larry Tobos, Jesse Fogleman, Helene Felice, Ray Hafalia, Heng Pan, Soren Prestemon

Research output: Contribution to journal › Conference article › peer-review

3 Scopus citations

Abstract

To meet a beam power requirement of 400 kW for heavy ions, a high intensity 28 GHz superconducting Electron Cyclotron Resonance (ECR) ion source is under development at the Facility for Rare Isotope Beams (FRIB) in collaboration with Lawrence Berkeley National Laboratory (LBNL). The magnet was built and tested at LBNL and integrated into the ion source cryostat on the FRIB high voltage platform. Magnet cooldown to 4.2K was completed successfully in December of 2020. The static heat load at 4.2K has been measured to be around 1.2 W, in good agreement with the design value. The heat load is managed through 2 Gifford-McMahon/Joule-Thomson (GM-JT) cryocoolers that have been in operation for several months. Magnet energization is scheduled in November of 2021. Warm components preparation and assembly test are ongoing in parallel. The ion source commissioning with 18 GHz Klystron shall start in December of 2021. Details of the ion source development, status, and commissioning plan will be presented in the paper.

Original language	English
Article number	012008
Journal	Journal of Physics: Conference Series
Volume	2244
Issue number	1
DOIs	https://doi.org/10.1088/1742-6596/2244/1/012008
State	Published - Apr 25 2022
Externally published	Yes
Event	19th International Conference on Ion Sources, ICIS 2021 - Virtual, Online Duration: Sep 20 2021 → Sep 24 2021

Funding

1Facility for Rare Isotope Beams, Michigan State University, East Lansing, MI, 48824, USA 2Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA Work supported by the U.S. Department Cooperative Agreement DE-SC0000661. Figure 2 shows the timeline of the project. DOE-SC and MSU signed the Cooperative Agreement in June 2009. In August 2013, DOE-SC approved the project baseline and start of civil construction (CD2-3a) with a total project cost of $730M, funded by DOE, MSU and the State of Michigan. FRIB obtained CD-3b approval from DOE in August 2014, and the technical construction began in October 2014. The project completion (CD-4) is scheduled to be in June 2022, but the forecast is for an early completion by January 2022. The first user experiments are expected in summer 2022.

Funders	Funder number
State of Michigan
U.S. Department	DE-SC0000661
U.S. Department of Energy
Midwestern State University

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10.1088/1742-6596/2244/1/012008

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title = "Development and status of the FRIB 28 GHz SC ECRIS",

abstract = "To meet a beam power requirement of 400 kW for heavy ions, a high intensity 28 GHz superconducting Electron Cyclotron Resonance (ECR) ion source is under development at the Facility for Rare Isotope Beams (FRIB) in collaboration with Lawrence Berkeley National Laboratory (LBNL). The magnet was built and tested at LBNL and integrated into the ion source cryostat on the FRIB high voltage platform. Magnet cooldown to 4.2K was completed successfully in December of 2020. The static heat load at 4.2K has been measured to be around 1.2 W, in good agreement with the design value. The heat load is managed through 2 Gifford-McMahon/Joule-Thomson (GM-JT) cryocoolers that have been in operation for several months. Magnet energization is scheduled in November of 2021. Warm components preparation and assembly test are ongoing in parallel. The ion source commissioning with 18 GHz Klystron shall start in December of 2021. Details of the ion source development, status, and commissioning plan will be presented in the paper.",

author = "Haitao Ren and Guillaume Machicoane and Nathan Bultman and Xing Rao and Phil Morrison and Mykola Omelayenko and Larry Tobos and Jesse Fogleman and Helene Felice and Ray Hafalia and Heng Pan and Soren Prestemon",

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AU - Tobos, Larry

AU - Fogleman, Jesse

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AU - Pan, Heng

AU - Prestemon, Soren

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Development and status of the FRIB 28 GHz SC ECRIS

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