BL 4-3 User Guide

Energy Range

• Which edges can I run at 4-3?

In-hutch Equipment

• Low-Z XAS hutch configuration
• XAS (5-10 keV) room temperature hutch configuration
• LHe cryostream hutch configuration
• Electrochemical bottle cell hutch configuration
• Changing polypropylene window between sample box and front end gas sections

Sample preparation for low-Z Configuration

• This file contains information on preparing samples, as well as an appendix with typical tapes, holders, and films used. Sample_Preparation_082720_picturesandtape.docx

Beam Line Optimization

• Beam line optimization stuff goes here!
• Changing Absorption Edges / Calibrating at BL 4-3
• Windowing with WebGe at 4-3
• CALVERT calibration paddle positions
  • 4 = calibration paddle out (make sure it is set to this when collecting on sample!)
  • about 37.5 = calibration paddle in (photodiode spectrum plotted as I2/I0 or DIODE/I0)
  • can run an alignment scan of CALVERT vs I2 near 37.5 to find signal maximum

Software

• Data Collection:

• • uXAS
  • WebXAS
    • WebXAS Getting Started / Help Guide
    • Restarting Web XAS

• Detector Windowing: xMapGUI 
• Instrument Control System (ICS)
  • Restarting ICS
• Connecting to the Xspress3 detector electronics server

Beam Line Computer: s043lx1.slac.stanford.edu

Web Plotter (from BL computer)

Ion Chambers: http://192.168.43.55:3000