BL 12.3.1 SAXS End Station

1
BL 12.3.1 SAXS End Station

• (Small Angle X-ray Scattering)

2
Filter Cross

• provides five places for filters on pneumatic
  TLI linear feed throughs
• similar to those on BL8 PX End station.
• PSS valve with Be window mounted downstream

3
Four Jaw Aperture

• TLI linear actuators same as HHMI beam lines
• Top and bottom jaws to be curved to match the
  beam shape.

4
Helium Box Assembly

• Be window (25 micron)
• Four Jaw Aperture
• BPM112
• NM Laser photon shutter with a CCD camera
• XIA X-Y slits
• Be window
• Mounted on a six-strut support system.

5
SAXS Sample Region

• SSRL sample holder
• Newport kinematic mount and positioning

6
Modular Flight Tube

• Evacuated chamber to reduce air scattering from
  sample to detector.
• Allows for sample to be placed at two positions
• Be window upstream
• 200mm wide by 300mm high Kapton window downstream
• Beam stop adjustable in X and Y directions

7
Detector and support

• Support will accommodate a larger detector
• Positioning stage travel is 7 and 1

8
Optical Table

• 3 x 9 Newport table
• Thompson rail and bearings allow 7 travel for PX
  operation
• Six 1 struts support

9
Evacuated Tube

• Allows for PX operation
• Be windows on each end

10
Laser and Elevated platform

• Opotek laser for sample mixing
• Elevated platform for experimental support
  equipment by 80/20