The Advanced Photon Source
a U.S. Department of Energy Office of Science User Facility

Insertion Devices Installed in Storage Ring

Insertion Devices Installed in Storage Ring

TYPE(PERIOD)

NUMBER

LENGTH (PERIODS)
3.3-cm undulator 22 72
3.3-cm short undulator 6 62
3.0-cm short undulator 6 69
2.7-cm undulator 4 88
2.3-cm undulator 3 103
1.72-cm undulator 2 137
3.0-cm undulator 2 79
5.5-cm undulator 1 43
3.6-cm undulator 1 57
3.5-cm undulator 1 67
3.3-cm custom undulator 1 70
2.7-cm undulator 1 77
Quasi-periodic electromagnetic undulator (12.5 cm) 1 38

Circularly polarized undulator (12.8 cm)

 1 16*
Superconducting Undulator (1.6 cm) 1 21

Device length includes the ends - approx. one period at each end is less than full field strength.

* In addition to this, there are separate correctors at both ends.