Transverse spatial coherence of a transient nickellike silver soft-x-ray laser pumped by a single picosecond laser pulse |
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Authors: | Lucianetti A Janulewicz K A Kroemer R Priebe G Tümmler J Sandner W Nickles P V Redkorechev V I |
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Institution: | Max Born Institute, D-12489 Berlin, Germany. |
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Abstract: | The degree of spatial coherence in the direction perpendicular to the target surface is reported for a transient nickellike silver x-ray laser at 13.9 nm. An x-ray laser plasma column was produced by irradiating a slab silver target with a single shaped picosecond laser pulse with energy less than 3 J. Young's double-slit method was applied to measure the fringe visibility as a function of the slit separation for different target lengths. The diameter of the equivalent incoherent source and the coherence radius of the output radiation were determined as well. |
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