X-ray absorption Spectroscopy Imaging

Beam line 14-3a, located on the downstream table in the BL14-3 hutch, is a bending magnet side station dedicated to x-ray imaging and micro x-ray absorption spectroscopy of biological, biomedical, materials, and geological samples.  Most often used for data collection at the S K edge, BL14-3 is the only SSRL beam line capable of XAS at the P K edge. During imaging mode, a SIGRAY axially symmetric mirror system is used to achieve microfocus with a beam size of ~ 5 x 5 microns. BL14-3b is equipped with a 7-element Vortex silicon drift detector and ionization chambers for imaging.

Beam line 7-2 is a wiggler end station dedicated for x-ray absorption spectroscopy large scale rapid imaging and x-ray absorption spectroscopy (XANES, EXAFS) of biological, material science, and geological samples. A series of polycapillaries and pinholes can provide beam sizes from mm to ~ 35 x 35 microns. The energy range of the beam line optics covers 4.9-16 keV, with detection of fluorescent x-rays as low as Si. BL7-2 is equipped with a 7 element Vortex silicon drift detector and ionization chambers.

Beam line 6-2b is a wiggler end-station dedicated to micro-focus High Resolution Hard X-ray Spectroscopy using polycapillaries and micro computed tomography.  High-Energy Resolution Fluorescence Detected X-ray Absorption Spectroscopy (HERFD-XAS) is performed in a dedicated He environment, with 3 rows of 5 analyzer crystals.

Source: 56-pole, 0.9-Tesla wiggler, End Station, 1.2 mrad acceptance.