Volume 63, Number 5, September 2003
|Page(s)||681 - 686|
|Published online||01 November 2003|
High-resolution imaging of a soft-X-ray laser beam by color centers excitation in lithium fluoride crystals
Dipartimento di Fisica, Università dell'Aquila, gc LNGS dell' INFN, INFM 67010 Coppito, L'Aquila, Italy
2 ENEA Dipartimento Innovazione, Divisione Fisica Applicata, CRE Frascati C.P. 65, 00044 Frascati, Italy
3 Department of Experimental Physics, University of Pecs Ifjusag u. 6, Pecs, 7624, Hungary
4 MISDC of VNIIFTRI - Mendeleevo, Moscow Region, 141570, Russia
5 Institute of Physical Engineering, University of Technology Brno, Technicka 2, 616 69 Brno, Czech Repuplic
Accepted: 27 June 2003
Stable color center production in lithium fluoride crystals has been applied to single-shot high-spatial-resolution imaging of a 2 long, 46.9 capillary discharge soft-X-ray laser pulse. Images of the unfocused beam and of the beam focused by a multi-layer mirror were recorded. The crystal sensitivity was sufficient to impress high-contrast photo-luminescent patterns with single-pulse irradiation on an area up to 40. Interference fringes due to the soft-X-ray laser coherence were observed. The results demonstrate the potential of crystals and films as a sub-micrometer resolution two-dimensional imaging tool for single-shot soft-X-ray laser applications.
PACS: 07.85.Fv – X- and γ-ray sources, mirrors, gratings, and detectors / 42.55.Vc – X- and γ-ray lasers / 42.60.Jf – Beam characteristics: profile, intensity, and power; spatial pattern formation
© EDP Sciences, 2003
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