High brightness laser-plasma X-ray source at IFAM: Characterization and applications

Year: 2000

Authors: Marzi S., Giulietti A., Giulietti D., Gizzi LA., Salvetti A.

Autors Affiliation: CNR, Ist Fis Atom & Mol, Area Ric, I-56010 Ghezzano, Italy;
Univ Pisa, Dipartimento Fis, I-56100 Pisa, Italy;
INFM, I-56100 Pisa, Italy

Abstract: A high brightness laser-plasma X-ray source has been set-up and is presently available at IFAM. A wide range of diagnostics has been set up to monitor the properties of the X-ray radiation and to control the main parameters including photon energy, flux intensity, and pulse duration. A beam extractor enables access to the X-ray radiation at atmospheric pressure. A simple, easy-to-use projection microscope has been built which is capable of single-shot micron resolution imaging with digital acquisition. Preliminary biomedical experiments show that the X-ray doses available on a single laser shot exposure of our source fully meet the conditions required for an important class of biological experiments based on X-ray induced DNA damage providing an ideal alternative to the long time exposures needed with X-ray tubes.


Volume: 18 (1)      Pages from: 109  to: 118

KeyWords: laser plasma
DOI: 10.1017/S0263034600181133

Citations: 16
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