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

In English

Författare

  • J. Gaudin
  • B. Keitel
  • Andrius Jurgilaitis
  • Ralf Nüske
  • L. Guerin
  • Jörgen Larsson
  • K. Mann
  • B. Schaefer
  • K. Tiedtke
  • A. Trapp
  • Th Tschentscher
  • F. Yang
  • M. Wulff
  • H. Sinn
  • B. Floeter
Visa allt

Summary, in English

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

Avdelning/ar

Publiceringsår

2011

Språk

Engelska

Sidor

15516-15524

Publikation/Tidskrift/Serie

Optics Express

Volym

19

Issue

16

Dokumenttyp

Artikel i tidskrift

Förlag

Optical Society of America

Ämne

  • Atom and Molecular Physics and Optics

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1094-4087