Double-pulse speckle contrast correlations with near Fourier transform limited free-electron laser light using hard X-ray split-and-delay
Abstract The ability to deliver two coherent X-ray pulses with precise time-delays ranging from a few femtoseconds to nanoseconds enables critical capabilities of probing ultra-fast phenomena in condensed matter systems at X-ray free electron laser (FEL) sources. Recent progress made in the hard X-r...
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Nature Publishing Group
2020-03-01
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| Series: | Scientific Reports |
| Online Access: | https://doi.org/10.1038/s41598-020-61926-y |
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doaj-e0651e6ca7a943aea1bb475f568f06ed2021-03-21T12:41:31ZengNature Publishing GroupScientific Reports2045-23222020-03-011011910.1038/s41598-020-61926-yDouble-pulse speckle contrast correlations with near Fourier transform limited free-electron laser light using hard X-ray split-and-delayWojciech Roseker0Sooheyong Lee1Michael Walther2Felix Lehmkühler3Birgit Hankiewicz4Rustam Rysov5Stephan O. Hruszkewycz6G. Brian Stephenson7Mark Sutton8Paul H. Fuoss9Marcin Sikorski10Aymeric Robert11Sanghoon Song12Gerhard Grübel13Deutsches Elektronen-Synchrotron DESYFrontier in Extreme Physics, Korea Research Institute of Standards and ScienceDeutsches Elektronen-Synchrotron DESYDeutsches Elektronen-Synchrotron DESYDeutsches Elektronen-Synchrotron DESYDeutsches Elektronen-Synchrotron DESYMaterials Science Division, Argonne National LaboratoryMaterials Science Division, Argonne National LaboratoryDepartment of Physics, McGill UniversityMaterials Science Division, Argonne National LaboratoryLinac Coherent Light Source, SLAC National Accelerator LaboratoryLinac Coherent Light Source, SLAC National Accelerator LaboratoryLinac Coherent Light Source, SLAC National Accelerator LaboratoryDeutsches Elektronen-Synchrotron DESYAbstract The ability to deliver two coherent X-ray pulses with precise time-delays ranging from a few femtoseconds to nanoseconds enables critical capabilities of probing ultra-fast phenomena in condensed matter systems at X-ray free electron laser (FEL) sources. Recent progress made in the hard X-ray split-and-delay optics developments now brings a very promising prospect for resolving atomic-scale motions that were not accessible by previous time-resolved techniques. Here, we report on characterizing the spatial and temporal coherence properties of the hard X-ray FEL beam after propagating through split-and-delay optics. Speckle contrast analysis of small-angle scattering measurements from nanoparticles reveals well-preserved transverse coherence of the beam. Measuring intensity fluctuations from successive X-ray pulses also reveals that only single or double temporal modes remain in the transmitted beam, corresponding to nearly Fourier transform limited pulses.https://doi.org/10.1038/s41598-020-61926-y |
| collection |
DOAJ |
| language |
English |
| format |
Article |
| sources |
DOAJ |
| author |
Wojciech Roseker Sooheyong Lee Michael Walther Felix Lehmkühler Birgit Hankiewicz Rustam Rysov Stephan O. Hruszkewycz G. Brian Stephenson Mark Sutton Paul H. Fuoss Marcin Sikorski Aymeric Robert Sanghoon Song Gerhard Grübel |
| spellingShingle |
Wojciech Roseker Sooheyong Lee Michael Walther Felix Lehmkühler Birgit Hankiewicz Rustam Rysov Stephan O. Hruszkewycz G. Brian Stephenson Mark Sutton Paul H. Fuoss Marcin Sikorski Aymeric Robert Sanghoon Song Gerhard Grübel Double-pulse speckle contrast correlations with near Fourier transform limited free-electron laser light using hard X-ray split-and-delay Scientific Reports |
| author_facet |
Wojciech Roseker Sooheyong Lee Michael Walther Felix Lehmkühler Birgit Hankiewicz Rustam Rysov Stephan O. Hruszkewycz G. Brian Stephenson Mark Sutton Paul H. Fuoss Marcin Sikorski Aymeric Robert Sanghoon Song Gerhard Grübel |
| author_sort |
Wojciech Roseker |
| title |
Double-pulse speckle contrast correlations with near Fourier transform limited free-electron laser light using hard X-ray split-and-delay |
| title_short |
Double-pulse speckle contrast correlations with near Fourier transform limited free-electron laser light using hard X-ray split-and-delay |
| title_full |
Double-pulse speckle contrast correlations with near Fourier transform limited free-electron laser light using hard X-ray split-and-delay |
| title_fullStr |
Double-pulse speckle contrast correlations with near Fourier transform limited free-electron laser light using hard X-ray split-and-delay |
| title_full_unstemmed |
Double-pulse speckle contrast correlations with near Fourier transform limited free-electron laser light using hard X-ray split-and-delay |
| title_sort |
double-pulse speckle contrast correlations with near fourier transform limited free-electron laser light using hard x-ray split-and-delay |
| publisher |
Nature Publishing Group |
| series |
Scientific Reports |
| issn |
2045-2322 |
| publishDate |
2020-03-01 |
| description |
Abstract The ability to deliver two coherent X-ray pulses with precise time-delays ranging from a few femtoseconds to nanoseconds enables critical capabilities of probing ultra-fast phenomena in condensed matter systems at X-ray free electron laser (FEL) sources. Recent progress made in the hard X-ray split-and-delay optics developments now brings a very promising prospect for resolving atomic-scale motions that were not accessible by previous time-resolved techniques. Here, we report on characterizing the spatial and temporal coherence properties of the hard X-ray FEL beam after propagating through split-and-delay optics. Speckle contrast analysis of small-angle scattering measurements from nanoparticles reveals well-preserved transverse coherence of the beam. Measuring intensity fluctuations from successive X-ray pulses also reveals that only single or double temporal modes remain in the transmitted beam, corresponding to nearly Fourier transform limited pulses. |
| url |
https://doi.org/10.1038/s41598-020-61926-y |
| work_keys_str_mv |
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