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

Published online by Cambridge University Press:  01 July 2004

L. A. GIZZI ,
C.A. CECCHETTI ,
M. GALIMBERTI ,
D. GIULIETTI ,
A. GIULIETTI ,
P. KOESTER ,
L. LABATE ,
S. LAVILLE  and
P. TOMASSINI
L. A. GIZZI
Affiliation:
Intense Laser Irradiation Laboratory, IPCF, Area della Ricerca CNR, Pisa, Italy
C.A. CECCHETTI
Affiliation:
Intense Laser Irradiation Laboratory, IPCF, Area della Ricerca CNR, Pisa, Italy
M. GALIMBERTI
Affiliation:
Intense Laser Irradiation Laboratory, IPCF, Area della Ricerca CNR, Pisa, Italy
D. GIULIETTI
Affiliation:
Intense Laser Irradiation Laboratory, IPCF, Area della Ricerca CNR, Pisa, Italy Also at Dipartimento di Fisica, Università di Pisa and INFN, Pisa, Italy
A. GIULIETTI
Affiliation:
Intense Laser Irradiation Laboratory, IPCF, Area della Ricerca CNR, Pisa, Italy
P. KOESTER
Affiliation:
Intense Laser Irradiation Laboratory, IPCF, Area della Ricerca CNR, Pisa, Italy
L. LABATE
Affiliation:
Intense Laser Irradiation Laboratory, IPCF, Area della Ricerca CNR, Pisa, Italy Also at Dipartimento di Fisica, Università di Bologna, Bologna, Italy
S. LAVILLE
Affiliation:
Intense Laser Irradiation Laboratory, IPCF, Area della Ricerca CNR, Pisa, Italy
P. TOMASSINI
Affiliation:
Intense Laser Irradiation Laboratory, IPCF, Area della Ricerca CNR, Pisa, Italy
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Abstract

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.

Keywords

Differential imagingLaser-plasmaX-ray absorption
Type
Research Article
Information
Laser and Particle Beams , Volume 22 , Issue 3 , July 2004 , pp. 367 - 372
Copyright
© 2004 Cambridge University Press

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References

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