Journal
OPTICS LETTERS
Volume 34, Issue 11, Pages 1732-1734Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.34.001732
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Funding
- European Community's Human Potential Program [MTKD-CT-2004-517145]
- Ultraviolet Laser Facility (ULF) [HPRI-CT-2001-00139]
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High-energy coherent continuum radiation is generated by the interaction of rare gases with a high-power many-cycle laser field, utilizing the interferometric polarization gating technique. A narrow temporal gate is formed in the laser pulse within which the extreme ultraviolet (XUV) emission is restricted. An analytical expression for the gate function is derived. A super-XUV continuum down to 15 nm, broad enough to support synthesis of single pulses of 260 as duration and a few tens of nanojoule energy, has been measured. These results directly challenge the perspectives of single-attosecond pulse XUV-pump-XUV-probe applications. (C) 2009 Optical Society ofAmerica
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