Scientific Results

Experimental investigation of fast electron transport in solid density matter: Recent results from a new technique of X-ray energy-encoded 2D imaging

Year: 2009

Authors: Labate L., Foerster E., Giulietti A., Giulietti D., Hoefer S., Kaempfer T., Koester P., Kozlova M., Levato T., Loetzsch R., Luebcke A., Mocek T., Polan J., Rus B., Uschmann I., Zamponi F., Gizzi LA.

Autors Affiliation: CNR, Intense Laser Irradiat Lab, IPCF, Pisa, Italy;
Ist Nazl Fis Nucl, Sez Pisa, Pisa, Italy;
Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy;
Univ Jena, Inst Opt & Quantenelekt, Jena, Germany;
Univ Pisa, Dipartimento Fis, I-56100 Pisa, Italy;
Inst Phys, PALS Ctr, Dept Xray Lasers, Prague, Czech Republic

Abstract: The development activity of a new experimental technique for the study of the fast electron transport in high density matter is reported. This new diagnostic tool enables the X-ray 2D imaging of ultrahigh intensity laser plasmas with simultaneous spectral resolution in a very large energy range to be obtained. Results from recent experiments are discussed, in which the electron propagation in multilayer targets was studied by using the K alpha. In particular, results highlighting the role of anisotropic Bremsstrahlung are reported, for the sake of the explanation of the capabilities of the new diagnostics. A discussion of a test experiment conceived to extend the technique to a single-shot operation is finally given.


Volume: 27 (4)      Pages from: 643  to: 648

More Information: The Pisa authors wish to acknowledge support from the Italian MIUR projects FISR \”Impianti innovativi multiscopo per la produzione di radiazione X ed ultravioletta,\” FIRB \”BLISS – Broadband Laser for ICF Strategic Studies,\” and \”SPARX\” and PRIN \”Studio della generazione e della propagazione di elettroni rapidi\”. The Pisa group also acknowledge support from the INFN project \”PLASMONX\” and the EU FP7 program \”HiPER\”. We acknowledge Support from the Deutsche Forshungsgemeinschaft for the financial support. The access to the Jena and to the Prague facilities was granted by the LASERLAB initiative of the EU FP6.
KeyWords: Anisotropic Bremsstrahlung; Fast electron diagnostics; Fast electron transport; High-density matter; Relativistic electrons
DOI: 10.1017/S0263034609990486

Citations: 3
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