Beamlines | B18 - Design Specifications

Please note: these are the design specifications. Potential users should contact the B18 beamline team to discuss current capabilities.

The beam source is a Diamond Bending Magnet. B18 Front End will allow the collection of about 3mrad (H) x 0.14 mrad (V) radiation.

Electron energy 3 GeV
Beam current 300 mA (w. upgrade to 500 mA)
Beam emittance 2.7 nm.rad
Electron beam (rms) dimensions
s x, , s y
s x’ , s y’
53.7 m m, 23.7 m m
81.4 m rad, 2.6 m rad
Dipole magnetic field 1.4 T
Dipole bending radius 7.148 m
Critical energy 8.39 keV
Photon flux at 10 keV [ph/sec/mrad/0.1%BW/300mA] 1.3 x 1013
Brightness at 10 keV [ph/sec/mm2/ mrad2/0.1%BW/300mA] 3.8 x 1015
Dipole power per horizontal angle
47.9 W/mrad (80 W/mrad @500mA)
On axis power density 184.4 W/mrad2 (307 W/mraAd2 @500m)