About ADC
video introduction
~2.50 min. long
ISO Cert
SSRF In-Vacuum Undulator



Shanghai Synchrotron Radiation Facility, SSRF, is a third-generation of synchrotron radiation light source. The energy of storage ring is 3.5GeV, which is the highest value in the medium-energy light source. Its performance is optimized in the wide used X-ray energy region. By using advanced technology of insertion devices, not only high brilliance synchrotron radiation light with 1~5keV photon energy can be generated, but also high brilliance hard X-ray with 5~20 keV photon energy can be generated, which have the similar properties as which is generated by high-energy light source (6~8GeV).


Undulator Type


Total Length of Undulator

2054 mm

Undulator Symmetry


Permanent Magnet Material

Sm2Co17 R32HS Shin-Etsu

Undulator Period

25 mm

Pole Material

Soft Steel

Number of Full Size Poles


Remanence Used in the Design Calculations Br

1.12 T

Total Number of Poles


Peak Field at Maximum Gap

< 0.005 T

Minimum Gap

5.0 mm

At Minimum Gap: Effective Peak Flux Density at 6 mm Gap 

1.017 T

Maximum Gap

30 mm

Effective k at 6 mm Gap            


Length of Magnet Assemblies

2025.8 mm

Magnetic Force           

28 kN


ADC USA (ISO 9001 certified), located near Cornell University in Ithaca, New York, is a leading developer and supplier of complex scientific components and instruments for large government laboratories and corporations around the world. Founded as a privately held company in 1995, ADC has grown into one of world’s leading technology companies and has enjoyed 18 straight years of business growth and profitability with more than 500 customers located in over 26 countries. We have developed capabilities, design, procedures and training staff to provide “Turn-Key” Insertion Devices (Undulators) and Magnetic Measurement Systems complete with in-house and customer site training.