期刊
PHYSICAL REVIEW LETTERS
卷 115, 期 18, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.115.184802
关键词
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资金
- Director, Office of Science, Office of High Energy Physics, of the U.S. Department of Energy [DE-AC02-05CH11231]
- National Science Foundation [PHY-1415596]
- U.S. Department of Energy National Nuclear Security Administration, Defense Nuclear Nonproliferation RD [NA22]
- Direct For Mathematical & Physical Scien
- Division Of Physics [1415596] Funding Source: National Science Foundation
Compact, tunable, radially symmetric focusing of electrons is critical to laser-plasma accelerator (LPA) applications. Experiments are presented demonstrating the use of a discharge-capillary active plasma lens to focus 100-MeV-level LPA beams. The lens can provide tunable field gradients in excess of 3000 T/m, enabling cm-scale focal lengths for GeV-level beam energies and allowing LPA-based electron beams and light sources to maintain their compact footprint. For a range of lens strengths, excellent agreement with simulation was obtained.
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