Time-resolved investigation of nanometer scale deformations induced by a high flux x-ray beam

Gaudin, J. (author)

Keitel, B. (author)

Jurgilaitis, Andrius (author): Lund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH

Nüske, Ralf (author): Lund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH

Guerin, L. (author)

Larsson, Jörgen (author): Lund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH

Mann, K. (author)

Schaefer, B. (author)

Tiedtke, K. (author)

Trapp, A. (author)

Tschentscher, Th (author)

Yang, F. (author)

Wulff, M. (author)

Sinn, H. (author)

Floeter, B. (author)

(creator_code:org_t)

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Abstract Subject headings

We present results of a time-resolved pump-probe experiment where a Si sample was exposed to an intense 15 keV beam and its surface monitored by measuring the wavefront deformation of a reflected optical laser probe beam. By reconstructing and back propagating the wavefront, the deformed surface can be retrieved for each time step. The dynamics of the heat bump, build-up and relaxation, is followed with a spatial resolution in the nanometer range. The results are interpreted taking into account results of finite element method simulations. Due to its robustness and simplicity this method should find further developments at new x-ray light sources (FEL) or be used to gain understanding on thermo-dynamical behavior of highly excited materials. (C) 2011 Optical Society of America

By the author/editor: Gaudin, J.; Keitel, B.; Jurgilaitis, And ...; Nüske, Ralf; Guerin, L.; Larsson, Jörgen; show more...; Mann, K.; Schaefer, B.; Tiedtke, K.; Trapp, A.; Tschentscher, Th; Yang, F.; Wulff, M.; Sinn, H.; Floeter, B.; show less...

About the subject

NATURAL SCIENCES: NATURAL SCIENCES; and Physical Science ...; and Atom and Molecul ...

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