ECRIS2016 - List of Authors (Sabbi, G.L.)

Paper	Title	Page
MOBO02	Possible Optimizations of Existing Magnet Structures for the Next Generation of ECRIS	5
	D. Xie, G.L. Sabbi, D.S. Todd LBNL, Berkeley, California, USA W. Lu IMP/CAS, Lanzhou, People's Republic of China
	Constructing a minimum-B structure with higher magnetic fields is the prerequisite for the next generation of Electron Cyclotron Resonance Ion Sources (ECRIS): ion sources that will operate at substantially higher heating frequencies than those currently in use. There are three leading candidates of Nb3Sn coil structures for use in future ECRISs: a Mixed Axial and Radial field System (MARS) that merges the sextupole racetrack coils and partial end-solenoids into an exotic closed-loop-coil; a classical Sextupole-In-Solenoids design; and a Solenoids-In-Sextupole configuration. Focusing on efficient magnetic field generation, this article briefly reviews the advantages and disadvantages of each of these magnet structures. Though Sextupole-In-Solenoids and Solenoids-In-Sextupole magnetic structures using NbTi conductor have been validated by current ECRISs, improvements of these magnet structures remain possible. Possible optimizations to the two existing magnet structures, such as using a non-conventional sextupole magnet consisting of either V-bend or skew racetrack coils, are discussed. The development status of a MARS NbTi magnet at LBNL for a new ECRIS will be also presented.
	Slides MOBO02 [3.864 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-ECRIS2016-MOBO02
Export •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

Paper

Title

Page

Possible Optimizations of Existing Magnet Structures for the Next Generation of ECRIS

5

D. Xie, G.L. Sabbi, D.S. Todd
LBNL, Berkeley, California, USA
W. Lu
IMP/CAS, Lanzhou, People's Republic of China

Constructing a minimum-B structure with higher magnetic fields is the prerequisite for the next generation of Electron Cyclotron Resonance Ion Sources (ECRIS): ion sources that will operate at substantially higher heating frequencies than those currently in use. There are three leading candidates of Nb3Sn coil structures for use in future ECRISs: a Mixed Axial and Radial field System (MARS) that merges the sextupole racetrack coils and partial end-solenoids into an exotic closed-loop-coil; a classical Sextupole-In-Solenoids design; and a Solenoids-In-Sextupole configuration. Focusing on efficient magnetic field generation, this article briefly reviews the advantages and disadvantages of each of these magnet structures. Though Sextupole-In-Solenoids and Solenoids-In-Sextupole magnetic structures using NbTi conductor have been validated by current ECRISs, improvements of these magnet structures remain possible. Possible optimizations to the two existing magnet structures, such as using a non-conventional sextupole magnet consisting of either V-bend or skew racetrack coils, are discussed. The development status of a MARS NbTi magnet at LBNL for a new ECRIS will be also presented.

Slides MOBO02 [3.864 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-ECRIS2016-MOBO02

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)