Photon-recoil imaging: Expanding the view of nonlinear x-ray physics

U. Eichmann, H. Rottke, S. Meise, J. E. Rubensson, J. Söderström, M. Agåker, C. Såthe, M. Meyer, T. M. Baumann, R. Boll, A. De Fanis, P. Grychtol, M. Ilchen, T. Mazza, J. Montano, V. Music, Y. Ovcharenko, D. E. Rivas, S. Serkez, R. WagnerS. Eisebitt

Research output: Contribution to journalArticlepeer-review

10 Citations (SciVal)

Abstract

Addressing the ultrafast coherent evolution of electronic wave functions has long been a goal of nonlinear x-ray physics. A first step toward this goal is the investigation of stimulated x-ray Raman scattering (SXRS) using intense pulses from an x-ray free-electron laser. Earlier SXRS experiments relied on signal amplification during pulse propagation through dense resonant media. By contrast, our method reveals the fundamental process in which photons from the primary radiation source directly interact with a single atom. We introduce an experimental protocol in which scattered neutral atoms rather than scattered photons are detected. We present SXRS measurements at the neon K edge and a quantitative theoretical analysis. The method should become a powerful tool in the exploration of nonlinear x-ray physics.

Original languageEnglish
Pages (from-to)1630-1633
Number of pages4
JournalScience (New York, N.Y.)
Volume369
Issue number6511
DOIs
Publication statusPublished - 2020

Subject classification (UKÄ)

  • Atom and Molecular Physics and Optics

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