期刊
PHYSICAL REVIEW LETTERS
卷 110, 期 21, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.110.213903
关键词
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资金
- RFBR [12-02-12101, 12-02-31325, 12-02-33074, 13-02-00831]
- Ministry of Science and Education of Russian Federation [11.G34.31.0011, 07.514.11.4162, 8520]
- NSF [0855688]
- Dynasty'' Foundation
- Direct For Mathematical & Physical Scien
- Division Of Physics [855668] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [1307346] Funding Source: National Science Foundation
We propose a technique to form a single few-cycle attosecond pulse from vacuum ultraviolet or extreme ultraviolet radiation via resonant interaction with hydrogenlike atoms, irradiated by a high-intensity far-off-resonant laser field. The laser field strongly perturbs excited atomic energy levels via the Stark effect and ionizes atoms from the excited states. We show that an isolated attosecond pulse can be formed using either a short incident femtosecond pulse of the resonant radiation or a steep front edge of the laser field. We propose an experimental realization of a single subfemtosecond pulse formation at 121.6 nm in atomic hydrogen and a single sub-100 as pulse formation at 13.5 nm in Li2+ plasma.
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