Single-pulse x-ray diffraction using polycapillary optics for in situ dynamic diffraction
01 natural sciences
0104 chemical sciences
DOI:
10.1063/1.4960812
Publication Date:
2016-08-23T17:00:27Z
AUTHORS (7)
ABSTRACT
Diagnostic use of single-pulse x-ray diffraction (XRD) at pulsed power facilities can be challenging due to factors such as the high flux and brightness requirements for geometric constraints experimental platforms. By necessity, source is usually positioned very close, within a few inches sample. On dynamic compression platforms, this puts in debris field. We coupled polycapillary optics single-shot needle-and-washer diode using laser-based alignment scheme obtain high-quality single 16 ns pulse with >1 m from The system was tested on Mo sample reflection geometry 17 keV x-rays anode. also identified an anode conditioning effect that increased intensity by 180%. Quantitative measurements focal spot produced yielded total 3.3 ± 0.5 × 107 molybdenum Kα photons.
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