期刊
APPLIED PHYSICS LETTERS
卷 96, 期 8, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3310281
关键词
electron beam effects; flow instability; jets; Monte Carlo methods; X-ray microscopy; X-ray production
资金
- Swedish Science Research Council
- Goran Gustafsson Foundation
We demonstrate stable high-brightness operation of an electron-impact water-jet-anode soft x-ray source. A 30 kV, 7.8 W electron beam is focused onto a 20 mu m diameter jet resulting in water-window oxygen line emission at 525 eV/2.36 nm with a brightness of 3.0x10(9) ph/(sx mu m(2)xsrxline). Monte Carlo-based modeling shows good quantitative agreement with the experiments. The source has potential to increase the x-ray power and brightness by another 1-2 orders of magnitude and fluid-dynamical jet instabilities is determined to be the most important limiting factor. The source properties make it an attractive alternative for table-top x-ray microscopy.
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