Towards X-ray transient grating spectroscopy

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


Published in:
Optics Letters, 44, 3, 574-577
Year:
Feb 01 2019
Publisher:
Washington, OPTICAL SOC AMER
ISSN:
0146-9592
1539-4794
Keywords:
Laboratories:




 Record created 2019-06-18, last modified 2019-08-30


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