期刊
OPTICS LETTERS
卷 42, 期 24, 页码 5170-5173出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.42.005170
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资金
- Seventh Framework Programme
- H2020 European Research Council (ERC) Efficient megahertz XUV light source, Starting Grant [279545]
- National Center of Competence in Research for Molecular Ultrafast Science and Technology (NCCR-MUST)
- Swiss National Science Foundation (SNSF) [206021_144970, 200021_159931, 200020_172644]
- Deutsche Forschungsgemeinschaft (DFG) [EXC 1074, EXC 1069]
- Swiss National Science Foundation (SNF) [200021_159931, 200020_172644, 206021_144970] Funding Source: Swiss National Science Foundation (SNF)
We demonstrate a compact extreme ultraviolet (XUV) source based on high-harmonic generation (HHG) driven directly inside the cavity of a mode-locked thin-disk laser oscillator. The laser is directly diode-pumped at a power of only 51W and operates at a wavelength of 1034 nm and a 17.35 MHz repetition rate. We drive HHG in a high-pressure xenon gas jet with an intracavity peak intensity of 2.8 x 10(13) W/cm(2) and 320 W of intracavity average power. Despite the high-pressure gas jet, the laser operates at high stability. We detect harmonics up to the 17th order (60.8 nm, 20.4 eV) and estimate a flux of 2.6 x 10(8) photons/s for the 11th harmonic (94 nm, 13.2 eV). Due to the power scalability of the thin-disk concept, this class of compact XUV sources has the potential to become a versatile tool for areas such as attosecond science, XUV spectroscopy, and high-resolution imaging. (c) 2017 Optical Society of America
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