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Title: X-ray two-photon absorption with high fluence XFEL pulses

Journal Article · · Journal of Physics. Conference Series
 [1];  [2];  [1];  [1];  [3];  [3];  [4];  [5];  [5];  [5];  [6]
  1. Univ. of Fribourg (Switzerland)
  2. Paul Scherrer Inst. (PSI), Villigen (Switzerland); Jan Kochanowski Univ. (Poland)
  3. Paul Scherrer Inst. (PSI), Villigen (Switzerland)
  4. Jan Kochanowski Univ. (Poland)
  5. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  6. Univ. of Melbourne (Australia)

Here, we report on nonlinear interaction of solid Fe with intense femtosecond hard x-ray free-electron laser (XFEL) pulses. The experiment was performed at the CXI end-station of the Linac Coherent Light Source (LCLS) by means of high- resolution x-ray emission spectroscopy. The focused x-ray beam provided extreme fluence of ~105 photons/Å2. Two-photon absorption leading to K-shell hollow atom formation and to single K-shell ionization of solid Fe was investigated.

Research Organization:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1348932
Journal Information:
Journal of Physics. Conference Series, Vol. 635, Issue 10; ISSN 1742-6588
Publisher:
IOP PublishingCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 4 works
Citation information provided by
Web of Science

References (7)

Femtosecond electronic response of atoms to ultra-intense X-rays journal July 2010
Nonlinear Atomic Response to Intense Ultrashort X Rays journal February 2011
Ultra-efficient ionization of heavy atoms by intense X-ray free-electron laser pulses journal November 2012
Double Core-Hole Creation by Sequential Attosecond Photoionization journal July 2013
X-ray two-photon absorption competing against single and sequential multiphoton processes journal February 2014
Saturable absorption of intense hard X-rays in iron journal October 2014
A von Hamos x-ray spectrometer based on a segmented-type diffraction crystal for single-shot x-ray emission spectroscopy and time-resolved resonant inelastic x-ray scattering studies journal October 2012

Cited By (1)

Focal Spot and Wavefront Sensing of an X-Ray Free Electron laser using Ronchi shearing interferometry journal October 2017

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