X-ray Absorption Spectroscopy

X-ray Absorption Spectroscopy is used to determine which elements are present in an unknown sample

Only discrete photon energy can be absorbed by the sample, this corresponds to the characteristic binding energy of electrons in the material that is excited. It will unveil its local composition as well as its electronic state.

Tuneable X-ray sources are required in order to identify discrete K absorption edges of complex or multiple ionized materials presence within a given structure.

Integrating intensities over a 2D detector allows a rapid mapping over large areas.

Very good spatial resolution is required for matching the microbeam dimensions that are available in both synchrotrons and laboratory sources.

This application requires detectors that can ideally offer simultaneous energy resolution down to 150 eV and 2 dimensional mapping response with no read out dead period.

Detector format of 22.5 x 22.5mm are already available with energy response covering the Vacuum UV, the water window up to 8 keV. Typical duty cycle achieved: 163ms per frame

X-Ray sCMOS 4MP Detector

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TN38 9AZ,
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