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Insertion Devices - X-Ray Storage Ring

Insertion Device Parameters

Insertion Device X1 X9 X13 X17 X21 X25 X29
Type PM-hybrid Undulator Mini-gap Undulator1 Mini-gap Undulator1 EPW2 SCW3 PM-hybrid Wiggler CPMU4 Mini-gap Undulator1
Period Length (cm) 8.0 1.45 1.25 16.0 17.4 12.0 1.8 1.25
No. full-strength Poles 69 46 54 5(V)
6(H)		 5 25 111 54
Length (m) 3.1 0.36 0.36 0.88 0.65 1.6 1.02 0.36
Peak Field (T) 0.31-0.03 1.27-0.24 0.95-0.23 0.82(V)
0.12(H)		 4.2 1.1 0.95-0.3 0.95-0.15
Deflection Parameter K 2.3-0.2 1.72-0.24 1.1-0.27 12.3(V)
1.8(H)		 68 12.3 1.6-0.5 1.1-0.175
Gap range (mm) 33-98 3.3-10 3.3-8.3 27 32 24.7 5.6-11.3 3.3-10
Fund. Energy range (keV) 0.19-0.73 2.07-4.87 3.7-5.75 Ec=4.3 Ec=22 Ec=4.57 1.89-3.67 3.7-5.89

1In-vacuum, permanent magnet-hybrid, planar Undulator
2Elliptical Polarization Wiggler, PM-hybrid (V) + electromagnet (H), fast-switching
3Superconducting Wiggler
4Cryo-coolable, in-vacuum, PM-hybrid Undulator (currently water-cooled)

Experimental Uses of the Insertion Devices

  • X1: Soft X-Ray microscopy/spectroscopy
  • X9: X-ray scattering
  • X13 MGU: Microdiffraction Imaging
  • X13 EPW: Magnetic circular dichroism
  • X17: X-ray diffraction; High pressure research
  • X21: X-ray diffraction
  • X25: Macromolecular crystallography
  • X29: Macromolecular crystallography

Insertion Device Background

Insertion Device Photos

X17
X17		 X13/29
X13/29		 EPW
EPW		 X25
X25