Scientific Results

A novel single-shot, spectrally resolved X-ray imaging technique of ICF relevant plasmas

Year: 2011

Authors: Labatea L., Cecchettia C.A., Ciricosta O., Köster P., Levato T., Gizzia L.A.

Autors Affiliation: Istituto Nazionale di Ottica, Consiglio Nazionale Delle Ricerche, Pisa, Italy; Istituto Nazionale di Fisica Nucleare, Sezione di Pisa, Pisa, Italy; Laboratori Nazionali di Frascati, Istituto Nazionale di Fisica Nucleare, Frascati, Italy; Department of Physics, University of Oxford, Oxford, United Kingdom

Abstract: A new diagnostic tool has recently been developed, which allows to get 2D images of X-ray sources with simultaneous energy encoded information. This is achieved by using a pinhole camera scheme in which a CCD camera, forced to operate in the single-photon regime, is used as a detector. The use of this method, initially limited to a single pinhole, multi-shot basis, has recently been extended to single-shot experiments typical of large scale installations using custom pinhole arrays of sub-10µm diameter. Preliminary tests have been carried out at the PALS facility and the diagnostics has been successfully employed in a PW environment in a recent experiment at RAL. The details of the method as well as some results from such recent experiments will be given.

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KeyWords: Inertial Confinement Fusion; X-ray diagnostics; X-ray imaging; Charge-Coupled Device; fast electron transport; ultrashort X-ray sources
DOI: 10.1117/12.891247

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