Spatial coherence properties of a compact and ultrafast laser-produced plasma keV x-ray source

Abstract : The authors use Fresnel diffraction from knife-edges to demonstrate the spatial coherence of a tabletop ultrafast x-ray source produced by laser-plasma interaction. Spatial coherence is achieved in the far field by producing micrometer-scale x-ray spot dimensions. The results show an x-ray source size of 6 μm that leads to a transversal coherence length of 20 μm at a distance of 60 cm from the source. Moreover, they show that the source size is limited by the spatial spread of the absorbed laser energy.
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https://hal-polytechnique.archives-ouvertes.fr/hal-00516670
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Submitted on : Friday, September 10, 2010 - 3:47:49 PM
Last modification on : Wednesday, August 7, 2019 - 2:34:15 PM

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Davide Boschetto, G. Mourou, Antoine Rousse, A. Mordovanakis, Bixue Hou, et al.. Spatial coherence properties of a compact and ultrafast laser-produced plasma keV x-ray source. Applied Physics Letters, American Institute of Physics, 2007, 90 (1), pp.011106. ⟨10.1063/1.2426941⟩. ⟨hal-00516670⟩

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