Insertion Devices - VUV Storage Ring

Insertion Device Parameters

Insertion Device	U5U	U13U
Magnetic Flux, Bmax [T]	0.46-0.01	0.72-0.05
Number of Poles, N	55	44
Period, λw [cm]	7.5	10
Wiggler Characteristic Energy, Ec [eV]	-	265
Undulator Fundamental Energy Range [eV]	11.3-70	2.2-50
K	3.2-0.08	6.7-0.04
Gap Range [cm]	3.4-12	3.35-12

Experimental Uses of the Insertion Devices

• U5U: Spin Dependent Photoemission
• U13U: VUV & Soft X-ray Spectroscopy and Projection Lithography

Insertion Device Photos

U5U