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


The PLS is a national user facility, owned and operated by the Pohang Accelerator Laboratory (PAL) and POSTECH on behalf of the Korean Government.


Undulator Type


Total Length of Undulator

990 mm

Undulator Symmetry


Permanent Magnet Material


Undulator Period

25 mm

Pole Material


Number of Full Size Poles


Remanence Used in the Design Calculations Br

1.05 T

Total Number of Poles


Peak Field at Maximum Gap

-77 C

Minimum Gap

5.0 mm

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

10^-10 TORR

Maximum Gap

30 mm

Effective k at 6 mm Gap          

990 mm

Length of Magnet Assemblies

2025.8 mm

Magnetic Force           




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.