EXPERIMENTAL STATION 7-3

CURRENT STATUS: Open
SUPPORTED TECHNIQUES: X-ray absorption spectroscopy
MAIN SCIENTIFIC DISCIPLINES: Structural Biology
% TIME GENERAL USE: 100%
SCHEDULING: Proposal Submittal and Scheduling Procedures
Current SPEAR and Beam Line Schedules
SOURCE: 20-pole, 2-Tesla wiggler, 0.8 mrad beam, side station
BEAM LINE SPECIFICATIONS:
  energy range resolution
DE/E
spot size
(fwhm)
flux* angular
acceptance
unfocused
4600-37000 eV
1 x 10-4
2 x 15 mm2
~1 x 1012
0.8 mrad
*ph/sec @100 mA / 9 keV w 2x15 mm aperture
OPTICS: M0 mirror: Flat, bent, vertically collimating, 1 m, Si, Rh-coated, LN2-cooled monochromator
MONOCHROMATOR: Si(220) phi=0°, Si(220) phi=90° double-crystal, non-fixed exit slit

Monochromator Crystal Glitch Library

Crystal changes need to be scheduled and coordinated in advance with BL support staff.
ABSORPTION: 762 microns Be, 205 microns C
INSTRUMENTATION: 30-element Ge detector array
LHe cryostat (4-200 K)
Ion chambers, PIPS detector
DATA ACQUISITION AND ANALYSIS: Data acquisition: XAS-Collect
Data analysis: EXAFSPAK

X-ray Data Booklet
RESPONSIBLE STAFF: Matthew Latimer, 650-926-4944 (office), 650-714-9416 (cell)
Erik Nelson, 650-926-5103 (office), 650-714-9407 (cell)
Ritimukta Sarangi, 650-926-4621 (office)
BEAM LINE PHONE NUMBER: 650-926-5273
On-site Users: Contact the Duty Operator at 9-926-4040
GENERAL DESCRIPTION: BL7-3 is dedicated to biological x-ray absorption spectroscopy. Being an unfocused beam line, the main focus of experiments is on XAS of very dilute solutions of metalloproteins
Sample Preparation Labs: The SSRL Structural Molecular Biology (SMB) Sample Preparation Laboratories are available to users by prearrangement. To use a laboratory, users must complete laboratory training, and provide a list of all chemicals to be brought, used or stored in the Sample Preparation Laboratory. For details, contact Cynthia Patty (650-926-3925).
SCIENTIFIC APPLICATIONS /
SELECTED RESULTS:
ENGINEERING NOTES: http://www-ssrl.slac.stanford.edu/safety/beamlines/bl7/

SSRL | Beamlines | User Admin | Safety

Last Updated: 28 JAN 2011
Content Owner: Matthew Latimer
Page Editor: Nikola Stojanovic