Rocca, Jorge J., authorBenware, B. R., authorMoreno, C. H., authorChilla, J. L. A., authorMarconi, M. C., authorAmerican Physical Society, publisher2007-01-032007-01-031997Marconi, M. C., et al., Measurement of the Spatial Coherence Buildup in a Discharge Pumped Table-Top Soft X-Ray Laser, Physical Review Letters 70, no. 15 (October 13, 1997): 2799-2802.http://hdl.handle.net/10217/67597We have measured the variation of the spatial coherence with plasma column length in a saturated table-top 46.9-nm Ne-like Ar capillary discharge soft x-ray amplifier for lengths up to 16.4 cm. The measurements, which are in good agreement with time dependent wave-optics model computations, provide the first experimental evidence of a monotonic increase of the coherence with length in a soft x-ray amplifier. The variation of the coherence across the beam profile was also studied. Off axis, the coherence is larger in the tangential than in the radial direction.born digitalarticleseng©1997 American Physical Society.Copyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.Text