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Magneto-static cavities

The ILL has firmly established itself as a pioneer in neutron science and technology. Neutron beams are used to carry out frontier research in diverse fields.

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Neutron technology at ILL

Magneto-static cavities

Maintaining good polarisation of the spin-filter cell requires a very homogeneous magnetic field both during transport from Tyrex and on the neutron instrument itself. The ILL now provides a wide range of high-homogeneity magneto-static cavities, specialised in providing different degrees of transportability, cell volume and shielding from external fields.

Permanent magnet Magic boxes have been developed for the transportation of cell from the Tyrex filling station to the ILL neutron instruments. Magnetic relaxation time is typically between 100h and 500h.

Transportation units



On beam Cavities



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