CERN Magnet Lab

CERN Magnet Lab
Name	CERN Magnet Lab
Established	1970s
Location	Meyrin, Geneva, Switzerland
Type	Research laboratory
Director	[see CERN leadership]
Affiliations	CERN, European Organization for Nuclear Research
Coordinates	46°13′N 6°03′E

CERN Magnet Lab The CERN Magnet Lab is a specialized laboratory within CERN dedicated to the design, development, prototyping, testing, and production of high-field accelerator magnets and superconducting technologies for particle accelerators. It serves LHC upgrades, prototype campaigns for future colliders, and collaborations with regional and international laboratories. The lab combines cryogenic test stands, winding halls, materials science capabilities, and engineering workshops to deliver magnets for projects across Europe and beyond.

Overview

The Magnet Lab functions as a central facility in the CERN complex at Meyrin, integrating expertise from CERN Accelerator Division, Technology Department, and experimental collaborations such as ATLAS and CMS. It supports superconducting magnet R&D, normal-conducting magnet production, quench protection studies, and magnetic measurement services for upgrades of the LHC, feasibility work for the Future Circular Collider and prototyping for the Compact Linear Collider. The lab engages with industrial partners including major European suppliers and national laboratories like INFN, DESY, STFC Rutherford Appleton Laboratory, and CEA.

History and Development

From its origins tied to early magnet fabrication at CERN in the 1970s, the lab expanded alongside major projects such as the construction of the LEP and the LHC. Milestones include magnet series manufacturing for LEP lattice magnets, the superconducting dipole campaigns for the LHC, and iterative upgrades to support the High-Luminosity LHC project. Key historical collaborations involved magnet technology transfers with Brookhaven National Laboratory, Fermilab, and consortiums coordinated under European Union framework programmes. The lab’s evolution reflects advances in superconducting technologies pioneered by groups at National High Magnetic Field Laboratory and materials research from institutions like EPFL.

Facilities and Equipment

Physical infrastructure includes winding halls for coil fabrication, cryogenic test benches for thermal cycling, and large cryostats for cold magnetic measurements. Precision measurement rooms house rotating coil systems, Hall probe arrays, and vibrating sample magnetometers developed alongside instrumentation teams from CERN and partner labs. Mechanical workshops contain CNC machining centers, clean rooms for insulation lay-up developed with standards comparable to European XFEL production lines, and high-voltage test facilities used in conjunction with Superconducting Magnet Division protocols. The Magnet Lab’s equipment supports Nb-Ti, Nb3Sn, and high-temperature superconductor (HTS) coil technology, informed by advances from Oxford Instruments, Siemens, and Bruker-class manufacturers.

Key Projects and Technologies

Major projects encompass the LHC main dipole and quadrupole campaigns, development of Nb3Sn quadrupoles for the High-Luminosity LHC upgrade, and prototype magnets for proposed machines such as the Future Circular Collider and Compact Linear Collider. Technologies under development include high-field coil winding techniques, advanced quench detection and protection systems inspired by work at Fermilab and Brookhaven National Laboratory, and integration of second-generation HTS tapes from suppliers like SuperPower and THEVA. The lab has contributed to cryostat design innovations used in ITER magnets and field quality optimization methods adopted by the European Spallation Source.

Collaborations and Partnerships

The Magnet Lab maintains strategic partnerships with national laboratories and universities throughout Europe and internationally. Key collaborators include INFN, DESY, STFC Rutherford Appleton Laboratory, CEA Saclay, Brookhaven National Laboratory, and Fermilab. Industry partnerships span coil insulation suppliers, superconductor manufacturers, and cryogenic equipment firms. The lab participates in EU-funded consortia under Horizon programmes and bilateral agreements with institutes such as Paul Scherrer Institute and Lawrence Berkeley National Laboratory. These collaborations enable technology transfer, shared test campaigns, and coordinated prototype manufacturing for accelerator projects worldwide.

Research and Applications

Research at the Magnet Lab advances accelerator performance through improved magnetic field quality, higher current densities, and robust quench protection—directly impacting experiments like ATLAS, CMS, and future detectors proposed for the Future Circular Collider. Applications extend to magnet systems for fusion projects such as ITER, medical cyclotrons, and industrial superconducting systems. The lab’s R&D on Nb3Sn and HTS materials informs superconductivity science conducted at centers like National High Magnetic Field Laboratory, while magnetic measurement techniques support precision magnetometry in condensed matter research at EPFL and University of Geneva. Training and technology transfer programs contribute to workforce development in magnet engineering across partner institutions.

Category:CERN Category:Particle accelerators Category:Superconducting magnets