Very Sensitive Elemental and Structural Probe Employing Radiation from a Synchrotron (VESPERS) 07B2-1

Overview

VESPERS is a hard X-ray microprobe capable of providing a high level of complementary structural and analytical information. The techniques of X-ray diffraction and X-ray fluorescence spectroscopy are employed to analyze a microscopic volume in the sample. Multi-bandpass and pink beam capability are built in to meet variable requirements.

  • Status

    Accepting Proposals

  • Source

    Bending Magnet

  • Energy Range

    6 – 30 keV

  • Resolution Δ E / E @ E

    Si(111) – 10-4
    MLM2 – 10-1
    MLM1 – 10-2
    Pink Beam

  • Flux (γ/s/0.1%BW) @ 100 mA

    Si-111 ~ 2 x 109 @ 15 keV
    MLM1 ~ 1 x 1011 @ 15 keV
    MLM2 ~ 4 x 1011 @ 15 keV

  • Spot size (Horizontal x Vertical)

    (2 – 4) µm x (2 – 4) µm

Endstation(s)

  • Microprobe
  • Diffraction (CCD Camera)
  • Fluorescence (Solid State Detector)
  • Ion Chambers

Techniques

  • Microprobe
  • X-ray Laue Diffraction
  • X-ray Fluorescence Spectroscopy
  • X-ray Absorption Near Edge Structure
  • Differential Aperture X-ray Microscopy
  • Multi-Bandpass and Pink Beam capability

Optics

Compounding focusing, multi-stripe mirrors, crystal and multilayer monochromator, KB mirrors

Contacts

Senior Scientist: Renfei Feng (306) 657-3581
Beamline Team Leader: Ronald Cavell
Beamline Telephone: (306) 657-3620

  • Left to Right: Ron Cavell, Renfei Feng

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