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

D. Boschetto; G. Mourou; A. Rousse; A. Mordovanakis; Bixue Hou; J. Nees; D. Kumah; R. Clarke

doi:10.1063/1.2426941

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

D. Boschetto
, G. Mourou
, A. Rousse
, A. Mordovanakis
, Bixue Hou
, J. Nees
, D. Kumah
, R. Clarke

Laboratory d'Optique Appliquée, ENSTA, CNRS-École Polytechnique
University of Michigan, Ann Arbor

Research output: Contribution to journal › Article › peer-review

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.

Original language	English
Article number	011106
Journal	Applied Physics Letters
Volume	90
Issue number	1
DOIs	https://doi.org/10.1063/1.2426941
Publication status	Published - 15 Jan 2007

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10.1063/1.2426941

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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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AU - Mourou, G.

AU - Rousse, A.

AU - Mordovanakis, A.

AU - Hou, Bixue

AU - Nees, J.

AU - Kumah, D.

AU - Clarke, R.

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N2 - 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.

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

Abstract

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