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SCU - 
SUPERCONDUCTING UNDULATORS

 

Superconducing undulators revolutionize the insertion devices market. Years of reliable operation confirm that they are the most powerful light source for any experiment.

Developed in collaboration with:


 

Overview
 

Superconducting undulators define the new standard for insertion devices. The use of superconductivity allows higher flux and wider photon energy range compared to any permanent magnet based device. This solution enables existing and new facilities to reach higher performance and broader tunability ranges.

Applications

  • Existing storage rings: reach or broaden the possibility to work in the hard x-ray range
  • New storage rings: reach new fields of research
  • FELS: increase overall photon energy without upgrading the linac
  • EUV industrial application: manufacture the next generation semiconductors

How it works
 

The KIT-BILFINGER NOELL SCUs exploit superconductivity to increase the strength of the alternating magnetic field on beam axis. They operate at cryogenic temperatures, but do not require liquid helium, as they are fully conduction cooled. The flexible UHV beam pipe gives the possibility to open the gap in cold conditions (when the coils are not powered), allowing for increased safety. Beam transparency is assured by the use of integrated corrector coils.

 

Features
 

  • RELIABLE: our SCUs demonstrated long term operation in the KIT ring and serve as source for user beamlines
     
  • BRILLIANT: In terms of peak field, SCUs outperform devices with competing technologies
     
  • PLUG´n PLAY: No liquid helium required
     
  • OUTSTANDING UHV: No impact of the cold bore on beam operation
     
  • COMMERCIALLY AVAILABLE: KIT and Bilfinger Noell can tailor each device to customer needs

 

Detailed specification

  • Period length ............................................. 15 - 20 mm
  • Max field on axis 7 mm vacuum gap.......... 0.8 - 1.2 T
  • Nominal current ......................................... 150 - 400 A
  • Ramp to nominal current ............................< 300 s
  • Operating vacuum gap ................................7 mm
  • Injection vacuum gap ................................. 15 mm
  • Beam heat load .......................................... 8 W
  • Design temperature ................................... 4.2 K
  • Magnetic length ......................................... 1.6 m

 

Newsflash

Bilfinger Noell’s superconducting Insertion Devices for the US!

Bilfinger Noell supplies a unique superconducting wiggler (SCW) to the renowned Brookhaven National Laboratory in the USA. The outstanding product is required for the HEX beamline of the highly optimized 3GeV storage ring of the NSLS-II synchrotron to provide high energy x-rays to the users.

Bilfinger Noell is the supplier for cryogen free superconducting insertion devices. This technology enabling utmost brilliance enjoys the highest attention in the light source community.

Superconducting Wiggler for NSLS-II @ BNL

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Michael Gehring
Leiter Vertrieb Magnettechnik
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