Journal Article

PUBDB-2016-02232

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Stimulated Electronic X-Ray Raman Scattering

Weninger, C. (Corresponding author)Extern* ; Purvis, M. ; Ryan, D. ; London, R. A. ; Bozek, J. D. ; Bostedt, C.Extern* ; Graf, A.Extern* ; Brown, G.Extern* ; Rocca, J. J. ; Rohringer, N.CFEL*MPG*

2013
APS College Park, Md.

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Please use a persistent id in citations: doi:10.1103/PhysRevLett.111.233902

Abstract: We demonstrate strong stimulated inelastic x-ray scattering by resonantly exciting a dense gas target of neon with femtosecond, high-intensity x-ray pulses from an x-ray free-electron laser (XFEL). A small number of lower energy XFEL seed photons drive an avalanche of stimulated resonant inelastic x-ray scattering processes that amplify the Raman scattering signal by several orders of magnitude until it reaches saturation. Despite the large overall spectral width, the internal spiky structure of the XFEL spectrum determines the energy resolution of the scattering process in a statistical sense. This is demonstrated by observing a stochastic line shift of the inelastically scattered x-ray radiation. In conjunction with statistical methods, XFELs can be used for stimulated resonant inelastic x-ray scattering, with spectral resolution smaller than the natural width of the core-excited, intermediate state.

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Contributing Institute(s):

1. Forschungsgruppe für strukturelle Dynamik (MPSD)

Research Program(s):

1. 899 - ohne Topic (POF3-899) (POF3-899)

Experiment(s):

1. No specific instrument

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Database coverage:
; ; ; Current Contents - Physical, Chemical and Earth Sciences ; IF >= 5 ; JCR ; NCBI Molecular Biology Database ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

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