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Beamline 2-ID-E: Hard X-ray Microprobe Facility

X-ray Science Division, APS
Life Sciences, Environmental Science, Materials Science

Description

The 2-ID-D/E microprobe facility operates three hard x-ray microprobes for x-ray fluorescence mapping, fluorescence spectroscopy, and microdiffraction.    Station 2-ID-D houses an x-ray fluorescence and a microdiffraction microprobe that operate independently.    Station 2-ID-E houses an x-ray fluorescence microprobe in a side-branch geometry that operates in parallel to either of the 2-ID-D instruments.

 

Supported Techniques

  • Microfluorescence (hard x-ray)

Beamline Controls and Data Acquisition

The beamline is run using LINUX workstations using various EPICS-based applications. A user interface allows simple operation for users with little prior beamline experience. Custom software “MAPS” allows analysis of full fluorescence spectra at each pixel.

Detectors

  • Silicond Drift Detectors (single element + 4 element), Vortex
  • Ionization chambers
  • Configured detector for differential phase contrast

Additional Equipment

  • Leica DMXRE Epi-fluorescence microscope

Special Capabilities

  • Fresnel zone plates are used to focus the beam. Configurations for high resolution and high flux can be chosen during the experiment: i) A near-field stack of two zone plates (D = 160 um) provides a probe size of 0.4 mm x 0.3 mm (5 x 10^8 @10 keV). ii) A single zone plate (D = 320 mm) provides ~10x increased flux (5 x 10^9 ph/sec @ 10 keV) at reduces resolution (0.6µm x 0.4µm). An environmental specimen chamber is optimized for bio-medical and environmental specimens. Kinematic mounting of the specimen allows correlation with Leica DMXRE Epi-fluorescence microscope. (Plunge freezing and freeze drying available for specimen preparation.)

Local Contacts

Name OLGA ANTIPOVA
Phone 630.252.7993

Beamline Specs

Source (upstream)

3.3 Undulator (Undulator A)

Source (downstream)

3.3 Undulator (Undulator A)

Monochromator Type

Beam splitting Si(111)

Energy Range

7-10.5 keV

Resolution (ΔE/E)

1.4 x 10 -4

Flux (photons/sec)

5 x 109 @10 keV

Beam Size (HxV)

Focused

.5µm x .3µm

Unfocused

2mm x 2mm

Monochromator Type

Beam splitting Si(220)

Energy Range

11-17 keV

Resolution (ΔE/E)

1.4 x 10 -4

Flux (photons/sec)

1 x 109 @12 keV

Beam Size (HxV)

Focused

.5µm x .4µm

Unfocused

2mm x 2mm

For additional information see:
http://www.aps.anl.gov/Xray_Science_Division/Xray_Microscopy_and_Imaging/Beamlines/2_ID_E/

Current Status:

Operational/Accepting General Users

Access Mode:

On-site