Near-field spatial imaging of a Ni-like Ag 140-angstrom x-ray laser

J. Nilsen, J. Zhang, A.G. MacPhee, J. Lin, T.W. Barbee, C. Danson, L.B. DaSilva, M.H. Key, Ciaran Lewis, D. Neely, R.M.N. ORourke, G.J. Pert, R. Smith, G.J. Tallents, J.S. Wark, E. Wolfrum

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)

Abstract

We measure the two-dimensional, near-field spatial distribution of a 140-Angstrom nickel-like silver x-ray laser at the output aperture with high magnification using a curved multilayer x-ray mirror to image the output onto an x-ray charge-coupled device camera. Lasing is created by illuminating silver slab targets with a pair of 75 ps laser pulses separated by 2.2 nsec from the Vulcan laser. The two-dimensional, high-resolution, spatial image shows the x-ray laser source size and its position relative to the target surface. A dramatic change in both the position and source size are observed for the refraction compensating curved target as compared with the flat targets.
Original languageEnglish
Pages (from-to)3161-3165
Number of pages5
JournalPhysical Review A
Volume56
Publication statusPublished - 1997

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