Sacrificial Tamper Slows Down Sample Explosion in FLASH Diffraction Experiments
Journal Article
·
· Physical Review Letters
- Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California, 94550 (United States)
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025 (United States)
- HASYLAB, Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, 22607 Hamburg (Germany)
- Laboratory of Molecular Biophysics, Department of Cell and Molecular Biology, Uppsala University, Husargatan 3, Box 596, SE-75124 Uppsala (Sweden)
- University of California, Berkeley, 253 Cory Hall, Berkeley, California 94720 (United States)
- Center for Free Electron Laser Science, DESY, Notkestrasse 85, 22607 Hamburg (Germany)
Intense and ultrashort x-ray pulses from free-electron lasers open up the possibility for near-atomic resolution imaging without the need for crystallization. Such experiments require high photon fluences and pulses shorter than the time to destroy the sample. We describe results with a new femtosecond pump-probe diffraction technique employing coherent 0.1 keV x rays from the FLASH soft x-ray free-electron laser. We show that the lifetime of a nanostructured sample can be extended to several picoseconds by a tamper layer to dampen and quench the sample explosion, making <1 nm resolution imaging feasible.
- OSTI ID:
- 21386790
- Journal Information:
- Physical Review Letters, Vol. 104, Issue 6; Other Information: DOI: 10.1103/PhysRevLett.104.064801; (c) 2010 The American Physical Society; ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
CRYSTALLIZATION
DIFFRACTION
FREE ELECTRON LASERS
KEV RANGE
LAYERS
LIFETIME
NANOSTRUCTURES
OPTICAL PUMPING
PHOTONS
PULSES
RESOLUTION
SOFT X RADIATION
BOSONS
COHERENT SCATTERING
ELECTROMAGNETIC RADIATION
ELEMENTARY PARTICLES
ENERGY RANGE
IONIZING RADIATIONS
LASERS
MASSLESS PARTICLES
PHASE TRANSFORMATIONS
PUMPING
RADIATIONS
SCATTERING
X RADIATION
CRYSTALLIZATION
DIFFRACTION
FREE ELECTRON LASERS
KEV RANGE
LAYERS
LIFETIME
NANOSTRUCTURES
OPTICAL PUMPING
PHOTONS
PULSES
RESOLUTION
SOFT X RADIATION
BOSONS
COHERENT SCATTERING
ELECTROMAGNETIC RADIATION
ELEMENTARY PARTICLES
ENERGY RANGE
IONIZING RADIATIONS
LASERS
MASSLESS PARTICLES
PHASE TRANSFORMATIONS
PUMPING
RADIATIONS
SCATTERING
X RADIATION