Journal
APPLIED PHYSICS LETTERS
Volume 103, Issue 9, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4819766
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Funding
- Swedish Research Council
- Wallenberg Foundation
- Goran Gustafsson foundation
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A liquid-metal-jet X-ray tube is used in an X-ray phase-contrast microscope based on a Talbot type grating interferometer. With a focal spot size in the range of a few microns and a photon flux of similar to 10(12) photons/s x sr, the brightness of such a source is approximately one order of magnitude higher than for a conventional microfocus source. For comparison, a standard microfocus source was used with the same grating interferometer, showing significantly increased visibility for the liquid-metal-jet arrangement. Together with the increased flux, this results in improved signal-to-noise ratio. (C) 2013 AIP Publishing LLC.
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