Femtosecond lattice dynamics in photoexcited bismuth: Ultrafast optical and x-ray measurements

David M. Fritz,Bernhard W. Adams,C. Blome,P. H. Bucksbaum,Adrian L. Cavalieri,Simon Engemann,S. Fahy,P. H. Fuoss,Kelly J. Gaffney,Patrick Hillyard,Jen Kaspar,Aaron M. Lindenberg,Sooheyong Lee,Brian K. McFarland,Drew A. Meyer,Eamonn Murray,M. Nicoul,R. Pahl,J. Rudati,D. P. Siddons,Klaus Sokolowski-Tinten,Jared K. Wahlstrand,J. B. Hastings,David A. Reis

Femtosecond lattice dynamics in photoexcited bismuth: Ultrafast optical and x-ray measurements

2006

We investigate high amplitude coherent optical phonon dynamics in bismuth through femtosecond x-ray and optical scattering. From these experiments, we present the first detailed measurements of changes in the interatomic potential following high-density photoexcitation.

Keywords:

Interatomic potential
Phonon
Ultrashort pulse
Scattering
Optics
Bismuth
Femtosecond
Photoexcitation
Physics
Light scattering

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