Journal
OPTICS LETTERS
Volume 44, Issue 3, Pages 574-577Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.44.000574
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Funding
- Horizon 2020 Framework Programme (H2020) [730872]
- H2020 European Research Council (ERC) Advanced Grant [695197 DYNAMOX]
- Schweizerischer Nationalfonds zur Forderung der Wissenschaftlichen Forschung (NCCR MUST)
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The extension of transient grating spectroscopy to the x-ray regime will create numerous opportunities, ranging from the study of thermal transport in the ballistic regime to charge, spin, and energy transfer processes with atomic spatial and femtosecond temporal resolution. Studies involving complicated split-and-delay lines have not yet been successful in achieving this goal. Here we propose a novel, simple method based on the Talbot effect for converging beams, which can easily be implemented at current x-ray free electron lasers. We validate our proposal by analyzing printed interference patterns on polymethyl methacrylate and gold samples using similar to 3 keV X-ray pulses. (C) 2019 Optical Society of America
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