Sigray QuantumLeap-V210 X-Ray Absorption Spectroscopy (XAS) System

First laboratory XAS with low Z capabilities and microspot analysis

Microspot Transmission Mode XAS system with spot sizes down to 100um diameter. The system is designed in a vacuum enclosure and, predominantly, useful for light element (S, P etc…) analysis through use of dispersive geometry and optional XES mode.  

Switching between 2 geometries to allow for high resolution (<1 eV), low flux, XANES measurements and low resolution (<10 eV), high flux, EXAFS measurements  

Synchrotron-like Performance in a Laboratory XAS System

The system’s performance is the culmination of several major design innovations, including:  

  1. Patented acquisition with parallel detection spectrometer, making use of modern crystal and detector technology 
  2. Novel x-ray double paraboloidal optics that removes higher order harmonic contamination, to allow for maximum source efficiency to be utilised  
  3. Patented ultra-high brightness x-ray microfocus source, with multiple target materials in the same source body, that enables use of high efficiency, low diffraction orders of the crystal analysers, for improving acquisition speed and reducing signal contamination.  
  4. The microstructured target material structure and liquid cooling functionality improves thermal dissipation 
  5. High, spatially resolving, DQE direct detection CCD detector with high resolution and multi-frame readout capability 
Sigray XANES
QuantumLeap-V210 XANES Geometry: The system is in an off-Rowland geometry. In this geometry, sample is placed within (rather than on) the Rowland circle to enable simultaneous detection of multiple wavelengths.
Sigray EXAFS
QuantumLeap-V210 EXAFS Geometry: In this von Hamos geometry, a mosaic crystal allows high throughput detection of a wide energy spectrum simultaneously. 

XAS GALLERY LINKS:

FEATURES

Specialised for low atomic number analysis and micro-XAS:

  • Wide energy coverage, with low energy coverage: 1.7 – 10 keV due to a vacuum enclosure, enabling coverage of elements such as P and S not possible in ambient conditions
  • Sub-eV (<0.7eV) energy resolution
  • Micro-XANES mapping at 100 µm
  • Recipe acquisition for unsupervised overnight runs
  • Patented acquisition approach to optimize XAS spectra at highest throughput
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David Want Quantum Design UK and Ireland
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DAVID WANT

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Product Specialist

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Support Team

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ASHLEY CRANE

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Sales Manager

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Dr Jordan Thompson Quantum Design UK and Ireland
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JORDAN THOMPSON

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Service Engineer

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Quantum Design UK and Ireland Dr Shayz Ikram
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DR SHAYZ IKRAM

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Product Specialist

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JOSH HOOK

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LUKE NICHOLLS

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Technical Sales Engineer

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+44 (0)1372 378822

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luke@qd-uki.co.uk

  SPECIFICATIONS

 

Parameter Specification
Overall Energy Coverage 1.7 to 10 keV
XAS Acquisition Transmission mode
Energy Resolution 0.5 eV in XANES
<10 eV in EXAFS
(Note that you can also use XANES mode to acquire high resolution EXAFS at 0.5 eV)
Beam Path Enclosed in vacuum
Focus at Sample 100 μm diameter spot
Source Type Sigray patented ultrahigh brightness sealed microfocus source
Target(s) W and Mo standard.
Others available upon request.
Power | Voltage 300W | 20-50 kVp
X-ray Optic Type Sigray proprietary double paraboloidal x-ray mirror lens
Transmission Efficiency ~80%
Magnification 1:1 magnification
Interior Coating Platinum for increasing collection efficiency of optic.
Others available upon request (e.g. Iridium coating for analyzing Pt).
X-ray Crystals Type HAPG/HOPG
Ge (220) Single Crystal
Ge (400) Single Crystal
Fourth Crystal of Ge(111) provided if low energy (2.1 keV) operation is of interest
X-ray Detector Type Spatially resolving (pixelated detector)
Dimensions Footprint 42″ W x 95″ H x 75″ D
Additional Capabilities Multiple Sample Holder Holds up to 16 samples of ~3mm diameter each

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