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Title: Following the dynamics of matter with femtosecond precision using the X-ray streaking method

Journal Article · · Scientific Reports
DOI:https://doi.org/10.1038/srep07644· OSTI ID:1194694

X-ray Free Electron Lasers (FELs) can produce extremely intense and very short pulses, down to below 10 femtoseconds (fs). Among the key applications are ultrafast time-resolved studies of dynamics of matter by observing responses to fast excitation pulses in a pump-probe manner. Detectors with sufficient time resolution for observing these processes are not available. Therefore, such experiments typically measure a sample's full dynamics by repeating multiple pump-probe cycles at different delay times. This conventional method assumes that the sample returns to an identical or very similar state after each cycle. Here we describe a novel approach that can provide a time trace of responses following a single excitation pulse, jitter-free, with fs timing precision. We demonstrate, in an X-ray diffraction experiment, how it can be applied to the investigation of ultrafast irreversible processes.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Contributing Organization:
Linac Coherent Light Source (LCLS) at the SLAC National Accelerator Laboratory. LCLS is an Office of Science User Facility operated for the U.S. Department of Energy Office of Science by Stanford University.
Grant/Contract Number:
AC03-76SF00515
OSTI ID:
1194694
Journal Information:
Scientific Reports, Vol. 5; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 22 works
Citation information provided by
Web of Science

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Cited By (15)

A beam branching method for timing and spectral characterization of hard X-ray free-electron lasers journal January 2016
Direct protein crystallization on ultrathin membranes for diffraction measurements at X-ray free-electron lasers journal June 2017
Pulse intensity characterization of the LCLS nanosecond double-bunch mode of operation journal March 2018
X-ray optics for advanced ultrafast pump–probe X-ray experiments at SACLA journal February 2019
Development of a hard x-ray split-delay system at the Linac Coherent Light Source conference June 2017
Characterization of the LCLS “nanosecond two-bunch” mode for x-ray speckle visibility spectroscopy experiments
  • Sun, Yanwen; Zhu, Diling; Song, Sanghoon
  • X-Ray Free-Electron Lasers: Advances in Source Development and Instrumentation, Advances in X-ray Free-Electron Lasers Instrumentation IV https://doi.org/10.1117/12.2265454
conference July 2017
Wavelength-tunable split-and-delay optical system for hard X-ray free-electron lasers journal January 2016
Single-shot Monitoring of Ultrafast Processes via X-ray Streaking at a Free Electron Laser text January 2017
Various damage mechanisms in carbon and silicon materials under femtosecond X-ray irradiation text January 2018
Demonstration of femtosecond X-ray pump X-ray probe diffraction on protein crystals text January 2018
Femtosecond phase-transition in hard x-ray excited bismuth text January 2019
Demonstration of femtosecond X-ray pump X-ray probe diffraction on protein crystals journal September 2018
Single-shot Monitoring of Ultrafast Processes via X-ray Streaking at a Free Electron Laser journal August 2017
Femtosecond phase-transition in hard x-ray excited bismuth journal January 2019
Various damage mechanisms in carbon and silicon materials under femtosecond X-ray irradiation journal January 2018

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