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  • Precision machined yoke parts for compact magnets

    Precision machined yoke parts for compact magnets

  • Upper half of 4.5 m long compact magnet structure incorporating 19 individual magnetic elements in one monolithic block

    Upper half of 4.5 m long compact magnet structure incorporating 19 individual magnetic elements in one monolithic block

  • Two of the twenty 7-bend achromat sections installed in the 3.0 GeV storage ring at MAX IV

    Two of the twenty 7-bend achromat sections installed in the 3.0 GeV storage ring at MAX IV

    Compact Magnet Systems

    Integrating many magnetic functions into one compact magnet system array in order to increase the number of bending magnets around a storage ring in a cost effective manner

    Compact magnet systems for ultra high brightness synchrotrons

    In their hunt for ever brighter and more compact synchrotron light sources, the MAX IV designers in Lund, Sweden, made a big leap towards the ultimate, diffraction limited light source. Their approach is based on integrating many magnetic functions into compact magnet systems and hence keeping both the magnetic apertures small and increasing the number of bending magnets around the storage ring.

    By using a high number of bending magnets the electron beam emittance and beam size is decreased. At the same time the overall real-estate footprint is kept at a minimum. Keeping the magnets compact reduces electrical power and water consumption.

    Danfysik has delivered a total of 84 compact magnet systems to three different synchrotron light sources, incorporating more than a thousand individual magnets. Each magnet system integrates up to 19 separated magnetic functions, like dipoles, quadrupoles, sextupoles, octupoles and steerers in one common yoke, some of which are machined into the yoke and others are inserted.

    The challenging machining tolerances of ±0.02mm over more than 4.5 meters of length were achieved successfully. Dedicated in situ magnetic field mapping systems were used to test the magnetic performance against demanding specifications.

    Documents
    Magnet

    Magnet design is a Danfysik core competence

    For more information on design services

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    Insertion Devices

    For Synchrotron Light Sources and Free Electron Lasers

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    For more information contact

    Svend Dahl-Petersen

    General Sales Manager