Beamline 11-ID / BESSRC-CAT

Elliptical Multipole Wiggler Info (PDF File)

High Energy Diffraction Info (PDF File)

Scientific focus:

Spectroscopy, scattering, high-energy diffraction, and magnetic Compton scattering

Scientific programs:

Materials science

geoscience, atomic physics, and chemistry

Optics & Optical Performance

11-ID-D

11-ID-B & -C

Experiment Stations

11-ID-A

11-ID-B

11-ID-C

11-ID-D

Detectors

Beamline Controls and Data Acquisition

11-ID-B & -C

11-ID-D

Beamline Support Equipment/Facilities

11-ID-C

11-ID-D

Insertion Device Source Characteristics (nominal)

source elliptical multipole wiggler
period 16.0 cm
length 2.8 m
number of poles 36, electromagnets
34, permanent magnets
effective Kx max
(at max. current = 1.15 kA, Bmax = 0.087 Tesla)
1.3
peak Ky max
(at minimum gap = 24.0 mm)
14.4
switching frequency 0 - 10 Hz
critical energy
(at minimum gap = 24.0 mm)
34 keV
energy range 4.0 - 200.0 keV
source size at critical energy  
Σx 359 μm
Σy 21 μm
source divergence at critical energy  
Σx' (FWHM 1.9 mrad, non-Gaussian) 820 μrad
Σy' 47 μrad