Source

APPLE II undulator (HU71)

The light source is an APPLE II undulator, placed in one of the medium straight sections of the ALBA storage ring.

Parameters

Material	ï¿œ Sm₅Co₁₇ Pure Permanent Magnet
Period	ï¿œ 71 mm
Number of periods	ï¿œ 22
K at mininimum gap	ï¿œ 6.19
Source size (FWHM)	ï¿œ 133x14 um² (@ 700eV)
Source div. (FWHM)	ï¿œ 52x24 urad² (@ 700eV)