期刊
NATURE PHYSICS
卷 6, 期 12, 页码 980-983出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/NPHYS1789
关键词
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资金
- US National Science Foundation through the Physics Frontier Center [PHY-0114336]
- NSF/DNDO [0833499]
- FCT (Portugal)
- EC [228334]
- Engineering and Physical Sciences Research Council [EP/H00601X/1, EP/I014462/1] Funding Source: researchfish
- EPSRC [EP/H00601X/1, EP/I014462/1] Funding Source: UKRI
- Direct For Mathematical & Physical Scien
- Division Of Physics [934694] Funding Source: National Science Foundation
Each successive generation of X-ray machines has opened up new frontiers in science, such as the first radiographs and the determination of the structure of DNA. State-of-the-art X-ray sources can now produce coherent high-brightness Xrays of greater than kiloelectronvolt energy and promise a new revolution in imaging complex systems on nanometre and femtosecond scales. Despite the demand, only a few dedicated synchrotron facilities exist worldwide, in part because of the size and cost of conventional (accelerator) technology(1). Here we demonstrate the use of a new generation of laser-driven plasma accelerators(2), which accelerate high-charge electron beams to high energy in short distances(3-5), to produce directional, spatially coherent, intrinsically ultrafast beams of hard X-rays. This reduces the size of the synchrotron source from the tens of metres to the centimetre scale, simultaneously accelerating and wiggling the electron beam. The resulting X-ray source is 1,000 times brighter than previously reported plasma wigglers(6,7) and thus has the potential to facilitate a myriad of uses across the whole spectrum of light-source applications.
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