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Title: Time-resolved x-ray imaging of a laser-induced nanoplasma and its neutral residuals

Journal Article · · New Journal of Physics
 [1];  [2];  [2];  [3];  [2];  [2];  [2];  [4];  [2];  [3];  [5];  [6];  [7];  [6];  [6];  [2]
  1. Technische Univ. Berlin, Berlin (Germany); LaTrobe Univ., Melbourne (Australia)
  2. Technische Univ. Berlin, Berlin (Germany)
  3. Technische Univ. Berlin, Berlin (Germany); SLAC National Accelerator Lab., Menlo Park, CA (United States)
  4. Technische Univ. Berlin, Berlin (Germany); European XFEL GmbH, Hamburg (Germany)
  5. SLAC National Accelerator Lab., Menlo Park, CA (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
  6. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
  7. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany); Institute of Mineralogy, Paris (France)
+ Show Author Affiliations

The evolution of individual, large gas-phase xenon clusters, turned into a nanoplasma by a high power infrared laser pulse, is tracked from femtoseconds up to nanoseconds after laser excitation via coherent diffractive imaging, using ultra-short soft x-ray free electron laser pulses. A decline of scattering signal at high detection angles with increasing time delay indicates a softening of the cluster surface. Here we demonstrate, for the first time a representative speckle pattern of a new stage of cluster expansion for xenon clusters after a nanosecond irradiation. The analysis of the measured average speckle size and the envelope of the intensity distribution reveals a mean cluster size and length scale of internal density fluctuations. Furthermore, the measured diffraction patterns were reproduced by scattering simulations which assumed that the cluster expands with pronounced internal density fluctuations hundreds of picoseconds after excitation.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
05K10KT2; AC02-76SF00515
OSTI ID:
1256034
Journal Information:
New Journal of Physics, Vol. 18, Issue 4; ISSN 1367-2630
Publisher:
IOP PublishingCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 14 works
Citation information provided by
Web of Science

Cited By (9)

Plasma channel formation in NIR laser-irradiated carrier gas from an aerosol nanoparticle injector journal June 2019
Correlated electronic decay in expanding clusters triggered by intense XUV pulses from a Free-Electron-Laser journal January 2017
Imaging plasma formation in isolated nanoparticles with ultrafast resonant scattering journal May 2020
XUV double-pulses with femtosecond to 650 ps separation from a multilayer-mirror-based split-and-delay unit at FLASH text January 2018
Mapping ultrafast ionization of atoms and clusters with terahertz-streaking delay text January 2019
XUV double-pulses with femtosecond to 650 ps separation from a multilayer-mirror-based split-and-delay unit at FLASH journal August 2018
Correlated electronic decay in expanding clusters triggered by intense XUV pulses from a Free-Electron-Laser text January 2017
Imaging plasma formation in isolated nanoparticles with ultrafast resonant scattering text January 2020
Recombination-Enhanced Surface Expansion of Clusters in Intense Soft X-Ray Laser Pulses text January 2016

Figures / Tables (7)

Figure 1(p. 3)figure Figure 1
Figure 2(p. 5)figure Figure 2
Figure 3(p. 6)figure Figure 3
Figure 4(p. 7)figure Figure 4
Figure 5(p. 8)figure Figure 5
Figure 6(p. 9)figure Figure 6
Figure 7(p. 10)figure Figure 7

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Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY