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Soft laser-plasma X-ray source for differential absorption imaging of tracing elements in thin samples

  • L. A. GIZZI (a1), C.A. CECCHETTI (a1), M. GALIMBERTI (a1), D. GIULIETTI (a1) (a2), A. GIULIETTI (a1), P. KOESTER (a1), L. LABATE (a1) (a3), S. LAVILLE (a1) and P. TOMASSINI (a1)...


The differential imaging technique is particularly suitable for the detection of small concentrations of contrasts agents for biological and medical applications in samples using X-ray radiography. In this paper, we present an application of this technique using a laser-plasma soft X-ray source combined with a bent crystal. Using a Fresnel plate as a test object, we were able to obtain spatial resolutions of the order of a few tens of microns. The use of our configuration to perform differential imaging of a test-sample at the L2 edge of Br at 1,596 eV is finally demonstrated.


Corresponding author

Address correspondence and reprint requests to: L.A. Gizzi, IPCF, Intense Laser Irradiation Laboratory, CNR, Via Maruzzi 1 Pisa 56124, Italy. E-mail:


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